Maintenance Instructions

10044S
Colt Canada Proprietary 3-2-14 2005-09-20
(vi) Touch-up the damaged surface
finish as detailed in Part 3,
Section 1 of this instruction.
(4) Remove carbon from the gas tube
hole of the front sight using a
5.56 mm bore brush;
(5) Replace loose or missing barrel
indexing pins; and
(6) Replace barrel assemblies that
have defective barrels.
REASSEMBLING THE BARREL ASSEMBLY
11. The barrel nut assembly components,
front sight assembly and compensator will be
assembled to the barrel assembly prior to
reassembly of the barrel and upper receiver
assemblies. To assemble these components
proceed in reverse order to the disassembly
procedure with the following notes:
a. Assemble the barrel nut assembly as follows:
(1) Slide the barrel nut as far rearward on the barrel as possible;
(2) Slide the handguard slip ring forward over the nut;
(3) Insert the slip ring spring into the recess at the rear of the slip ring; and
(4) Using a pair of retaining ring pliers, compress the slip ring spring and release the
snap ring into the groove at the rear of the barrel nut.
b. Replace the front sight detent spring, front sight detent and front sight post.
c. When using a constant torque washer, replace the compensator as follows:
(1) Install the constant torque washer on the barrel with concave face facing the
compensator;
(2) Screw the compensator on until it contacts the face of constant torque washer; and
(3) Use the combination wrench and a 1/2 inch drive ratchet to tighten the compensator
90° minimum to 460° maximum, from first contact; or
d. When using a laminated compensator spacer, replace the compensator as follows:
Figure 3-2-21 Reforming the Front Sight
Protector