Symptom Index

Failure of magazine to lock in Failure to feed Failure to Failure to Failure to Failure to Failure to Failure to Failure to Short Weapon cannot be Failure to cycle with selector lever set on Fires when trigger is released with selector lever on SEMI, or fires two or more rounds in SEMI selector position Fires with selector lever on Bolt fails to lock to rear after firing last

General

This section provides a general explanation of all maintenance and repair functions authorized at various maintenance categories. b. The Maintenance Allocation Chart (MAC) in section II designates overall authority and responsibility for the performance of maintenance functions on the identified end item or component. The application of the maintenance functions to the end item or component will be consistent with the capacities and capabilities of the designated maintenance categories. c....

Bolt Fails To Lock To Rear After Firing Last Round

Magazine follower (1) worn or broken Replace magazine. Step 2. Magazine spring (2) weak or broken. Replace magazine. Step 3. Magazine feeder lips (3) bent or broken, Replace magazine. Step 4. Magazine follower (1) binds during operation Replace magazine. Step 5. Broken bolt catch (4) and or spring, Evacuate to direct support maintenance.

Explantion Of Columns Sections Ii And

Indicates the number used to identify items called out in the illustration. b. SMR Code (Column (2)). The Source, Maintenance, and Recoverability (SMR) code is a 5-position code containing supply requisitioning information, maintenance level authorization criteria, and disposition instructions, as shown in the following breakout. Who can install replace or use the item Who can do complete repair* on the item Who determines disposition action on unserviceable item...

How To Locate Repair Parts

When National Stock Number or Part Number is Not Known. (1) First. Using the table of contents, determine the assembly group or subassembly group to which the item belongs. This is necessary since figures are prepared for assembly groups and subassembly groups, and listings are divided into the same groups. (2) Second. Find the figure covering the assembly group or subassembly group to which the item belongs. (3) Third. Identify the item on the figure and note the item number. (4) Fourth....

Special Information

The usable on code appears in the lower left comer of the DESCRIPTION column heading. Usable on codes are shown as UOC in DESCRIPTION column (justified left) on the first line applicable item description nomenclature. Uncoded items are applicable to all models. Identification of the usable on codes used in the RPSTL are b. Assembly Instructions. Detailed assembly instructions for items source coded to be assembled from component spare repair parts are found in chapter 3....

Caution

Solid film lubricant is to be used only as an exterior surface protective finish and touch up. If solid film lubricant comes in contact with recoiling parts or functional surfaces of the rifle, remove immediately by washing with technical dichloromethane. (b) Wash area with technical dichloromethane (methylenechloride) to remove all dirt, grease, and foreign material. (c) Roughen area to be refinished with abrasive cloth and clean surface again. Do not touch the area with fingers.

Chapter Overview

This chapter contains information and instructions to help keep the weapon in good repair. The chapter contains a. Repair Parts, Special Tools, TMDE, and Support Equipment c. Preventive Maintenance Checks and Services (PMCS) e. Decontamination of Rifles and Arms Rooms Section 1. REPAIR PARTS, SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT 2-1. COMMON TOOLS AND EQUIPMENT. For authorized common tools and equipment refer to the Modified Table of Organization and Equipment (MTOE) applicable to your...

Corrective Action

FAILURE OF MAGAZINE TO LOCK IN WEAPON. Step 1. Dirty or corroded magazine catch (1). Disassemble and clean. Step 2. Defective magazine catch spring (2). Replace spring (2). Step 3. Worn or broken magazine catch (1). Replace magazine catch (1). Step 1. Magazine catch spring (1) weak or broken. Evacuate to direct support maintenance. Step 2. Magazine catch (2) defective. Evacuate to direct support maintenance. Step 3. Magazine catch (2) out of adjustment (will not retain magazine). Step 4....

Critical Area

Under the following conditions, hairline cracks originating from buttplate end of buttstock are acceptable. No chipped away material is allowed. (1) One hairline crack, not to exceed one inch in length, per side of buttstock. (2) Two additional hairline cracks up to .22 inch in length, per side of buttstock. (3) A total of three cracks per side of buttstock, originating from buttplate end, are allowable. Buttstocks with unauthorized markings stamped into their surfaces will be replaced....

Explanation Of Columns

This number is assigned to the entry in the listing and is referenced in the narrative instructions to identify the material (e.g., Use cloth, abrasive, crocus, item 12, app D). b. Column (2)-Level. This column identifies the lowest level of maintenance that requires the listed item. C - Operator Crew O - Unit Maintenance F - Direct Support Maintenance H - General Support Maintenance c. Column (3) National Stock Number. This is the National stock number assigned to...

Equipment Data

Rifle M16, without magazine and Rifle M16A1, without magazine and sling lb Sling Empty Rifle M16, w sling and loaded magazine lb Rifle M16A1 w sling and loaded magazine lb Bayonet-Knife Scabbard M10 Rifle w flash suppressor 39.625 in. Barrel Rifling - RH twist, 6 grooves, 1 turn in 12 inches Method of operation Typeof breech Method of feeding Cooling Cyclic rate of fire (approximate) 800 rds m 45 65 rds m 150 200 rds m Bipod Section III. PRINCIPLES OF OPERATION 1-11. GENERAL. The 5.56mm M16...

Failure To Lock

Dirty or damaged ammunition (1). Replace ammunition. Step 2. Bolt cam pin (2) broken or missing. Replace bolt cam pin (p 2-24). Step 3. Loose or damaged bolt carrier key (3) Evacuate to direct support maintenance Dented carrier keys (3) may be repaired (p 2-22) using the fabricated (fig E-3, app E). Step 4. Improperly assembled extractor (4) to extractor (5). Adjust bend gas tube in area of the handguard to its original configuration. If the gas tube cannot be repaired to its original...

Info

TM 9-1005-249-10 (Operator's manual) Small Arms Repairman Tool Kit. SC 5 180-95-CL-A07 (19204) Cleaner, lubricant and preservative (CLP) (item 9. app D) Cleaning compound, rifle bore (RBC) (item 1 1, app D) Lubricating oil, weapons (LAW) (item 20, app D) Lubricating oil, weapons (LSA) (item 21, app D) Do not interchange bolt assemblies from one weapon to another. Doing so may result in injury to, or death of, personnel. To avoid injury to your eyes, use care when removing and installing...

Initial Setup

TM 9-1005-249-10 (operator's manual) Before starting an inspection, be sure to clear the weapon. Do not keep live ammunition near the work area. To avoid injury to your eyes, use care when removing and installing spring-loaded parts. Before starting an inspection on a weapon equipped with a low light level sight, check for damage to the sight and decontaminate if required. See procedures on page 2-21. Below direct support maintenance, do not interchange bolt assemblies from one weapon to...

Item

EXPENDABLE DURABLE SUPPLIES AND MATERIALS LIST Section 1. INTRODUCTION D-1. SCOPE. This appendix lists expendable durable supplies and materials you will need to operate and maintain the 5.56mm Rifle M16 and M16A1. This listing is for informational purposes only and is not authority to requisition the listed items. These items are authorized to you by CTA 50-970, Expendable Durable Items (Except Medical, Class V, Repair Parts, and Heraldic Items), or CTA 8-100, Army Medical Department...

Location And Description Of Major Components

Provides a means of charging the weapon. BOLT CARRIER ASSEMBLY. Carries bolt to chamber and fires the weapon. Contains the firing pin, extractor, bolt, ejector, and cam pin. UPPER RECEIVER AND BARREL ASSEMBLY. Rifle barrel assembly is air-cooled, contains flash suppressor and front sight assembly, and holds the two hand guards and the sling swivel. Upper receiver contains rear sight, ejection port and cover, and a housing for the bolt carrier and bolt assembly. A...

Lubrication General

Whenever the term or instruction 'lubricate is cited in this TM, it is to be Interpreted to mean CLP, (item 9, app D), LSA (item 21, app D), or LAW (item 20, app D) can be utilized as applicable The following constraints must be adhered to b. Under all but the coldest arctic conditions. LSA or CLP are the lubricants to use on the weapon Either may be used at -10 F and above. However, do not use both on the same weapon at the same time. c. LAW is the lubricant to use during cold arctic...

Maintenance Procedures

Army personnel use chapter two for unit maintenance procedures and chapter three for direct support maintenance procedures. Air Force personnel Only Air Force Specialty Code 753XX Combat Arms Training and Maintenance (CATM) specialists, technicians, and gunsmiths are authorized to perform maintenance procedures contained in this manual. Each maintenance task has an initial setup containing a list of the following things you will need in order to do your maintenance task 1. Tools and Special...

Note

During periods of inactivity, perform preventive maintenance quarterly unless inspection reveals more frequent servicing is necessary. An inactive weapon is a weapon which has been stored in an arms room for a period of 90 days without use. The weapon may or may not have been assigned to an individual. Normal cleaning (PMCS) of an inactive weapon will be performed every 90 days. Should the unit armorer detect corrosion on a weapon prior to the end of the 90-day period, the PMCS should be...

R

Hammer Lower Receiver and Extension 2-49, 3-58 Trigger Assembly Upper Receiver and Barrel 2-36, 3-30 Rifle Biped Lower Receiver and Extension 2-48, 3-55 Repair Special Reporting Equipment Improvement Recommendations 1-1 Rifles and Arms Rooms, Decontamination 2-21 Serial Sights Activated with Tritium (H3), Decontamination 3-9 Major Components of M16 and M16A1

Recommended Changes To Publications And Blank Forms

For u> ( of tfci form, ste AR 310-1 tht proponent ogency it thi US Army Adjufont Control Center. Use Part II (reverse) for Repair Parts and Special Tool Lists (RPSTL) and Supply Catalogs Supply Manuals (SC. SM). TO (Forward to proponent ot pub licat ion or form) Include ZIP Coda) FROM (Activity and location) (Include ZIP Code) PART 1 . ALL PUBLICATIONS (EXCEPT RPSTL AND SC.'SM) AND BLANK FORMS

Reporting Errors And Recommending Improvements

If you find any mistakes or if you know of a way to improve the procedures, please let us know. Army users mail your letter, DA Form 2028 (Recommended Changes to Publications and Blank Forms), located in the back of this manual direct to Com mander, US Army Armament, Munitions and Chemical Command, ATTN AMSMC-MAS, Rock Island, IL 61299-6000. Air Force users submit AFTO Form 22, Technical Order System Publications Improvement Report and Reply to WR-ALC MMDET,...

Signature

WHICH WILL SE USEO. REPLACES OA FORM 2 92(. I OEC I. WHICH WILL SE USEO. TOi (Forward direct to addrtsttr littad in publication) PART II - REPAIR PARTS AND SPECIAL TOOL LISTS AND SUPPLY CATALOGS SUPPLY MANUALS PART III - REMARKS (Any general remarks or recommendations, or suggestions tor improvement o( publications and blank forms. Additional blank sheets may be used if more space is needed.) telephone exchange autovon, plus extension

Warning

To avoid injury to your eyes, use care when removing and installing spring-loaded parts. When using solid film lubricant or dichloromethane, be sure the area is well ventilated. When using P-C-111, avoid skin contact. If P-C-111 comes in contact with the skin, wash thoroughly with running water. Using a good lanolin base cream after exposure to compound is helpful. Using gloves and protective equipment is recommended. Upper receiver and barrel assembly may be equipped with low light level front...

Warning Radiation Hazard

RULES AND REGULATIONS Copies of the following rules and regulations are maintained at HQ, AMCCOM, Rock Island, IL 61299-6000. Copies may be requested, or information pertinent to these rules and regulations obtained, by contacting the AMCCOM Radiological Protection Officer (RPO), AUTOVON 793-2964 2965 2966 Commercial (309) 782-2964 2965 2966. (1) 10CFR Part 19 - Notices, Instructions, and Reports to Workers Inspections. (2) 10CFR Part 20 - Standards for Protection Against Radiation. (3) NRC...

B

The application of maintenance services2,including fault location troubleshooting3, removal installation, and disassembly assembly4 procedures, and maintenance actions5 to identify troubles and restore serviceability to an item by correcting specific damage, fault, malfunction, or failure in a part, subassembly, module component or assembly , end item, or system. j. Overhaul. That maintenance effort service action prescribed to restore an item to a completely serviceable operational...

Army Only

a If the test fails using finger pressure, remove the gage and perform the test again as follows With the muzzle down, stack 8 1 2 to 8 3 4 pounds of trigger weights 1 1 on a locally fabricated spacer weight 12 on the bolt carrier assembly 9 . Insert headspace gage 10 and test per above instructions. b Remove trigger weights 11 , spacer weight 1 2 , bolt carrier assembly 9 , charging handle 8 , and headspace gage 10 . c If excessive headspace, first replace bolt assembly and then recheck. if...

Patricia P Hickerson

Brigadier General, United States Army The Adjutant General By Order of the Secretary of the Air Force MERRILL A. McPEAK, General USAF Chief of Staff CHARLES C. McDONALD, General, USAF Commander, Air Force Logistics Command W.T. LELAND, Rear Admiral Chief, Office Law Enforcement and Defense Operations U.S. Coast Guard To be distributed in accordance with DA Form 12-40E, Block 0136 , Unit, Direct and General Support Maintenance requirements for TM 9-1005-249-23 amp P. U.S. Government Printing...

Front Low Light Level Post Assembly

Pic Lower M16

Prior to disassembly, inspect upper receiver and barrel assembly to determine type of front sight installed, standard or low light level. If a radioactive low light level sight is installed and if it has been damaged, see warning page and Chapter 2, Section V. To avoid injury to your eyes, use care when removing and installing spring-loaded parts. If weapon is equipped with low light level front post assembly, see page 4-2 for usable life and maintenance. To avoid injury to your eyes, use care...

M16 Army Torque Values

This appendix includes a standard torque table of the most commonly torque screws, bolts, and nuts. b. These torque values may be used when torque values are not specified. c. The torque table values are given in inch-pounds. If a torque wrench is calibrated in foot-pounds, you need to divide the listed number by 12 to obtain the desired torque. Torque Values In Inch-Pounds for Tightening Nuts Bolt, Stud, or On standard bolt, studs, and screws having a Screw Size tensile strength of 125,000...

Scope

Type of Manual Unit and Direct Support Maintenance. b. Model Number and Equipment Name 5.56mm Rifle M 16 and M16A1. c. Purpose of Equipment. Provides personnel an offensive defensive capability to engage targets for field use. 1-2. MAINTENANCE FORMS, RECORDS, AND REPORTS. Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA PAM 7S8-750, The Army Maintenance Management System. Air Force users refer to TO 11 W 1-10 for applicable forms and...

Related Publications

COMDTINST M4855.1 ., Comptroller Manual Volume 10 Quality Assurance CTA 8-100 Army Medical Department Expendable Durable Items CTA 50-970 Items Except Medical, Class V, Repair Parts and Heraldic Packing and Marking for Shipment to Inert Ammunition Components Material, Greaseproofed, Waterproofed, Flexible NSN 8135-00-753-4661 Sleeve and Tubing-interior Packaging NSN 8135-00-543-6574 PPP-B-636 Boxes, Shipping, Fiberboard Wood, Cleated Plywood for Shipment and Storage PPP-T-76 Tape, Packaging,...

Air Force To W Coast Guard Comdtinst M

M16a1 Rifle Nomenclature

Supersedes Copy Dated November 1983 TECHNICAL MANUAL UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST RIFLE, 5.56MM, M16 1005-00-856-6885 EIC 4F7 RIFLE, 5.56 MM, M16A1 1005-00-073-9421 EIC 4FC DISTRIBUTION STATEMENT. Approved for public release distribution is unlimited. HEADQUARTERS, DEPARTMENTS OF THE ARMY AND AIR FORCE, COMMANDANT, COAST GUARD DISTRIBUTION STATEMENT. Approved for public release distribution is unlimited. HEADQUARTERS, DEPARTMENTS OF...

Army Gage Set 8426685

M16 Rifle Bolt

Applicable Configuration M16 M16A1 Rifle Test Equipment Tool and Gage Set 8426685 Small Arms Repairman Tool Kit SC 5180-95-CL-A07 19204 Materials Parts Cleaner, lubricant and preservative CLP item 9, app D Lubricating oil, weapons LAW item 20, app D Lubricating oil, weapons LSA item 21, app D Wiping Rag item 24, app D 1. Remove firing pin retaining pin 1 . 2. Tip key and bolt carrier assembly 2 allowing firing pin 3 to drop out. Catch the firing pin. 3. Rotate bolt cam pin 4 1 4 turn and lift...

Machine Gun M16 Lower Receiver

Applicable Configuration All M16 M16A1 Rifles TM 9-1005-249-10 operator's manual Equipment Condition Weapon disassembled Small Arms Repairman Tool Kit SC 5180-95-CL-A07 19204 General Safety Instructions To avoid injury to your eyes, use care when removing and installing spring-loaded parts. Live ammunition must not be near the work area. 2. Install charging handle 1 and bolt carrier assembly 2 into upper receiver assembly 3 . Join upper receiver assembly 3 and lower receiver assembly 4 . 3....

Technical Bulletins

TB 9-1000-247 -34 Standards for Overseas Shipment or Domestic Issue of Small Arms, Aircraft Armament, Towed Howitzers, Mortars, Recoilless Rifles, Rocket Launchers and Associated Fire Control Equipment TB 43-0002-73 Maintenance Expenditures Limits for FSC Group 10 FSC Classes 1005, 1010, TB 43-0196 Inspection and Certification of Gages - Small Arms A-2. TECHNICAL MANUAL TECHNICAL ORDERS. TM 9-1005-237 -23 amp P Unit and Direct Support Maintenance Manual Including Repair Parts and Special Tools...

Lever Tool Catch

Sear Receiver

Selector lever 7 , if installed, must be positioned in automatic. Long leg of automatic sear 8 spring must rest on top of selector lever. a Install selector lever 7 and automatic sear 8 . b install automatic sear pin 9 into receiver using drive pin punch. Push in until flush. b install automatic sear pin 9 into receiver using drive pin punch. Push in until flush. a Install magazine catch spring 10 and magazine button 11 . b Install magazine catch 12 . Push in on magazine button 1 1 using a...

Nsn

When using this column to locate an item, ignore the first 4 digits of the NIIN NSN. However, the complete NSN should be used when ordering items by stock number. 2 FIG. column. This column lists the number of the figure where the item is identified located. The figures are in numerical order in section II and section III. 3 ITEM column. The item number identifies the item associated with the figure listed in the adjacent FIG. column. This item is also identified by...

Short Recoil

M16 Short Gas Tube

Improper gap, space or worn, missing, or broken bolt rings 1 . Replace bolt rings and stagger gaps. Adjust by bending in area of handguards or replace gas tube. Adjust by bending in area of handguards or replace gas tube. Step 3. Gas tube spring pin 3 missing from front sight 4 . Replace spring pin 3 . Step 4. Partially plugged gas system because of carbon buildup in the gas tube 2 . Replace spring pin 3 . Step 4. Partially plugged gas system because of carbon buildup in the gas tube 2...

Temperature

212 Fahrenheit is equivalent to 100 Celsius 90 Fahrenheit is equivalent to 32.2 Celsius 32 Fahrenheit is equivalent to 0 Celsius 9 5 C 32 F APPROXIMATE CONVERSION FACTORS TO CHANGE TO MULTIPLY BY Square Inches Square Square Feet Square Meters 0.093 Square Yards Square Meters 0.836 Square Miles Square Kilometers 2.590 Acres Square Cubic Feet Cubic Cubic Yards Cubic Meters 0.765 Pounds Kilograms 0.454 Short Tons Metric Tons 0.907 Pound-Feet Newton-Meters 1.356 Pounds per Square Inch . . Miles per...

Notgo Gage

If the 'lower receiver is not disassembled, visual'iy inspect for broken or damaged parts, and insure that the hammer and trigger springs are correctly installed before beginning this test. It is not necessary to disassemble the lower receiver for the sole purpose of this visual inspection. If broken or damaged parts are found, disassemble p 3-50 and repair as authorized. 5. Test two hammer pin holes and two trigger pin holes using not-go plug gage 1 P N 12006472. This test may be conducted by...

Appendix C Repair Parts And Special Tools Listc

Section I Section II Repair Parts Group 0 0 5.56MMRifle M16,8448600 and M16A1, 8448500 Group 01 Bolt carrier assembly 8448501 - 2 0101 Bolt Assembly 8448509 - 3 0102 Key and bolt carrier assembly 8448505 - 4 Group 02 Charging handle assembly 844851 7 - 5 Group 03 Upper receiver and barrel assembly 8448601 M16 and 0301 Rifle barrel assembly 8448663 - 7 0302 Upper receiver assembly 8448602 M16 and 8448523 M16A1 C-8-1 C - 8 030201 Forward assist assembly 9349 - 9 Group 04 Lower receiver and...

Nomenclature Crossreference List

Common Name Official Nomenclature Action Compression Spring 8448629 Bolt Catch Compression Spring 8448633 Key and Bolt Carrier Assembly 8448505 Disconnector Compression Spring 8448594 Extractor Spring Assembly 8448755 Magazine Catch Compression Spring 8448637 Rifle M 16 8448600 or M 16A1 8448500 1-6. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIR . If your rifle needs improvement, let us know. Send us an EIR. You, the user, are the only one who can tell us what you don't like about your...

Weapon Cannot Be Zeroed

M16a1 Bent Barrel

Bent or bulged rifle barrel 1 . Step 2. Barrel assembly out of alignment with rear sight on upper receiver Align barrel and upper receiver p 3-33 . Step 3. Corroded front 2 or rear 3 sights. Disassemble, . clean, . and lubricate. 12. FAILURE TO CYCLE WITH SELECTOR LEVER SET ON AUTO. Step 1. Broken automatic sear 1 or spring 2 Replace automatic sear assembly 1 . Step 2. Faulty selector lever 3 . Replace selector lever 3 . Step 3. Short recoil.

F H D L A

When unserviceable, condemn and dispose of the item at the level of maintenance shown in 3d position of SMR Code. Reparable item. When uneconomically reparable, condemn and dispose of the item at unit or aviation unit level. Reparable item. When uneconomically reparable, condemn and dispose of the item at the direct support or aviation level. Reparable item. When uneconomically reparable, condemn and dispose of the item at the general support. Reparable item. When beyond...

M16 Lower Receiver

Lower Receiver Assembly M16

Lower Receiver and Extension Subassembly M16, 8448605 and M16A1, 8448579. Figure C-14. Lower Receiver and Extension Subassembly M16, 8448605 and M16A1, 8448579. DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0404 FIG C-14 LOWER RECEIVER AND EXTENSION SUBASSEMBLY M16 8448605 AND M16A1 8448579

Xaffa

Rifle M16. 8448600 and M16A1. 8448500. DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 00 FIG C-1 5.56MM RIFLE M16 8448600 AND M16A1 8448500 BOLT CARRIER ASSEMBLY SEE FIG.C-2 1 FOR BREAKDOWN HANDLE ASSEMBLY, CHARGING SEE FIG 1 C-5 FOR BREAKDOWN ---- UPPER RECEIVER AND BARREL ASSEMBLY, 1 M16, SEE FIG.C-6 FOR BREAKDOWN . . . . UOC 755 UPPER RECEIVER AND BARREL ASSEMBLY, 1 M16A1 SEE FIG.C-6 FOR BREAKDOWN . . . UOC 194 MAGAZINE,CARTRIDGE 1 SLING,SMALL ARMS 1 LOWER RECEIVER AND EXTENSION ASSY, 1 M16...

Group Fig C Special Tools

TOOL AND GAGE SET DS GS SUPPORT MAINTENANCE FOR 5.56MM RIFLE M16 RIFLE SERIES BOI 2 PER SUPPORTING DSU GSU CASE,CARRYING,GAGE PART OF KIT P N 8426685 M16 ONLY REFLECTOR TOOL, CHAMBER,PART OF KIT P N 8426685 GAGE,PLUG,PLAIN PART OF KIT P N 8426685 GAGE,BARREL,EROSION PART OF KIT P N 8426685 CHROME BARREL GAGE,MUZZLE EROSION PART OF KIT P N 8426685 NON-CHROME BARREL GAGE,STRAIGHTNESS PART OF KIT P N 8426685 CASE,BORE GAGE PART OF KIT P N 8426685 GAGE,HEADSPACE PART OF KIT P N 8426685 GAGE,FIRING...

Failure To Fire

Weak or broken hammer spring 2 . Step 3. Hammer spring 2 improperly assembled. Step 4. Selector lever 3 frozen on SAFE position. step 5. Broken firing pin 4 or firing pin does not meet gage protrusion requirement. Step 6. Damaged, dirty, or corroded spring 5 and detent 6 .

Section I Introduction

This RPSTL lists and authorizes spares and repair parts special tools special test, measurement, and diagnostic equipment TMDE and other special support equipment required for performance of unit and direct support maintenance of the rifle. It authorizes the requisitioning, issue, and disposition of spares, repair parts, and special tools indicated by the Source, Maintenance, and Recoverability SMR codes. C-2. GENERAL. In addition to Section I, Introduction, this Repair Parts and...

Principles Of Operation

Provides stripping, cambering, locking, firing, extraction, cartridges using the drive springs and projectile propelling gases for power. 0 CHARGING HANDLE ASSEMBLY. Provides initial charging of the weapon. The charging handle latch locks the handle in the forward position during sustained fire to prevent injury to the operator. c UPPER RECEIVER AND BARREL ASSEMBLY. Provides support for the bolt carrier assembly. The barrel chambers the cartridge for firing and...

Ar Firing Pin Pn 12620101

To perform the following tests, disassemble weapon only as far as allowed in chapter 2 Unit Maintenance Instructions , unless a deficiency is uncovered. 2. Perform a general inspection of rifle per chapter 3 Direct Support Maintenance Instructions section V. Repair as required and authorized. 3-22. M16 AND M16A1 RIFLE ANNUAL INSPECTION AND GAGE REQUIREMENTS CONT . 1. Gage bolt assembly for firing pin protrusion using firing pin protrusion gage PN 7799735. See page 3-13, TEST. 2. Gage bolt...