M And Ma Rifle Final Inspection

This task covers:

a. Inspection b. Test



M16 Series and M231 Firing Port Weapon Direct Support and General Support Maintenance for 5.56-mm Rifle Tool and Gage Set B426685 (19204)

References TM 9-1005-249-10

Equipment Condition Weapon assembled

General Safety Instructions

Live ammunition should not be near the work area.


item action remarks


Weapon a. General appearance b. Barrel c. Weapon

Weapon should look almost new.

Visually inspect for serviceability.

Visually inspect for missing parts, serial numbers, steel parts, spring pins, and screws.

Functionally inspect key and bolt carrier assembly and gas tube alinement using the following procedures:

All metal surfaces are to have a dull, rust- or corrosion-resistant finish with no burrs or deep scratches.

Barrels must be straight, clean, free of rust, powder fouling, and free of bulges and rings. Fine pitting is allowable.

All parts must be attached, and all modifications must be applied. Serial numbers must be legible and steel parts must be rust Iree. Spring pins must be secure and screws must be tight.

3-74 Change 2





Step 1. Disengage the takedown pin and open the receiver-

Step 2. Remove bolt carrier assembly.

Step 3. Remove bolt assembly from bolt carrier assembly.

Step 4. Insert bolt carrier and key into upper receiver and barrel assembly.

Step 5. Slide bolt carrier and key forward to detect binding between key and bolt carrier assembly and gas tube by feel.

Refer to TM 9-1005-249-10

Step 6. Correct slight bindi ng by removing gun hand guards, and slightly bending gas tube in the gun handguard area while repeating step 5 above until no bindir.g is detected. Badly bent gas tubes will be replaced arid re alined.

Step 7. Remove key and bolt carrier assembly from upper receiver and barrel assembly.

Step 8. Reassemble bolt assembly into key and bolt carrier assembly.

Sfep 9. Reinstall bolt carrier assembly into upper receiver and barrel assembly.

Functional inspection.

Refer to TM 9-1005-249-10.

Refer to TM 9-1005-249-10

The bolt assembly nvjst not be installed while performing test-

Badly bent gas tube could cause damage to both the bolt Key and bolt carrier assembly or the gas tube. A slightly bent gas tube will cause unnecessary wear of the carrier and key assembly and gas tube.

Refer to TM 9-1005-249-10.

Refer to TM 9-1005-249-10

Make a functional check of the rifle while the selector lever is in SAFE, SEMI, and AUTO positions. The sequence is used for rapid complete check. Any portion of this check may be used alone lo determine the operational condition of any specific fire selection.


Plyometrics Fitness Adrenaline

Plyometrics Fitness Adrenaline

It Seems Incredible That You Can Get Your Ideal Body By Jumping. This Book Is One Of The Most Valuable Resources For The Fitness Adrenaline.

Get My Free Ebook

Post a comment