Maintenance Instructions

10044S
Colt Canada Proprietary 4-3 2005-09-20
a serviceable bolt, it is determined that the barrel assembly is non-serviceable, replace the barrel
assembly.
BOLT RING WEAR
9. Check for worn bolt rings as follows:
a. Remove the bolt carrier group from the weapon;
b. Remove the bolt from the bolt carrier;
c. Thoroughly clean the bolt and bolt carrier;
d. Re-install the bolt in the bolt carrier but do not install the cam pin;
Figure 4-4 Headspace Dimension Detail
1. HEADSPACE DIMENSION
2. CARTRIDGE SEAT OF BOLT
3. DATUM DIAMETER OF CHAMBER
CONE
1
2
3
Figure 4-5 Correct Indication with “NOT GO” Headspace Gauge