Specifications

TM 05539-IN

SKIM GLASSING - CONTINUED 0026 00

0026 00-3

PREPARATION FOR BARREL AND RECEIVER - CONTINUED

4. Remove magazine release pin and magazine release from trigger guard assembly (11). Clay the magazine release pin

hole (12).

5. Lightly grease the trigger guard screws.

6. Mold release the trigger guard, the trigger guard screws, the action and 4 in. of the breech end of the barrel.

PREPARATION FOR STOCK

CAUTION

• DO NOT remove the guard assembly from the stock. If skim glassing needs to be performed in this area,

evacuate weapon to higher maintenance level.

• DO NOT overtighten vise. This may damage stock.

1. Place stock (17) in work vise, wrap stock with 2-in. masking tape (13), and sand all exposed areas of the top bedding

surface (15) of the stock with 180 grit sandpaper. Ensure all surfaces are roughed-up.

2. Using a 1/8-in. rotary tool bit without end cut, route the corners of the recoil lug mortise (14) position into the stock.

Ensure that the bottom of the lug mortise and bridge (16) are roughed-up.

a. If the recoil lug mortise position on the stock is cracked, continue cutting into the crack until the crack disappears.

b. Repeat on remaining three corners.

M40-067

M40-068a