Department Of The Treasury


LE!F:TE:EM0 3210,13

MEMORANDUM TO: Special Agent in Charge

FROM: Chief, Firearms Technology Branch

SUBJECT: Certification of Firearm(s) for

Official use as Display/Investigative Prop weapon (s)

was/were received from your division to be certified prior to being placed in official service as display/undercover prop(s), A technical examination indicates that:

_ The firearm(s) is/are within factory specifications and is/are -suitable for use as display/undercover weaponTs). The firearm(s) is/are not to be utilized for issue as a duty weapon(s).

_ The firearm(s) is/are not within factory specifications but is/are suitable for non-firing display or prop use. The weapon should not be fired or issued as a duty weapon(s).

_ The aibove firearm(s) is/are not suitable for use as display/undercover props due to condition or other factors*

The above firearm(s) is"/are not subject to the provisions of the NFA. The firearm(s) is/are _

The submitted firearm(sj is/are enclosed.

General Notes on Cleaning/Solvents

Always insert cleaning rode from the chamber end, any damage or wear to the muzzle can affect the accuracy of the weapon.

Always wipe residue from cleaning rod before use.

Use only cleaning products made for use on firearms. Do not use carburetor cleaner etc.

Some products are billed as all in one cleaner, lubricant, preservative but they don't clean as well as proper solvents and should not be substituted for them.

Do not soak Trijicon sights in cleaning solvents.

Remove any live ammo or loaded magazines from cleaning areal

A brass or bronze bore brush is recommenced. Nylon brushes don't clean very well and stainless steel brushes can damage bores.

Some solvents designed to remove heavy copper fouling can ruin brass or bronze bore brushes on their first use. Read manufactures directions for use.

Allow several minutes for solvents to work on fouling before brushing or removing.

Do not reverse direction of brush while it is in the bore, this can damage the brush and the bore.

Push bore brush through barrel at least 10 times.

Do not use bore brushes to clean other parts of weapons. A nylon M-16 type brush is recommenced for cleaning other areas of weapons.

Magazines should be cleaned and inspected each time the weapon is cleaned. Check feed lips, floorplates, magazine body etc for any dents or damage. Be certain you know how to correctly assemble your magazines, incorrectly installed springs can cause function problems.

Cleaning patches made of cotton flannel are recommended.

Remove all solvents from weapon after cleaning.

Never disassemble your weapon beyond the field stripping required for cleaning.

If several weapons of the same type are being cleaned in one area be certain no parts are switched between weapons. This can cause safety and function problems.

Dipping or spraying weapon assemblies in solvent and blowing the mechanisms dry can remove all lubricants from internal parts leaving the weapon "bone-dry". This should be avoided. All parts should have a light film of oil after cleaning.

If you have an air hose available during cleaning be careful in its use. High pressure can blow dirt into as well as out of weapons, dislodge small parts and springs and may have condensation in the line that could blow moisture into the weapon causing rust.

Never use force to field strip or assemble a weapon.

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