Technical data

TM 9-1005-319-23&P 0029
0029-9/10 blank
Table 1. 5.56mm Rifle M16A2/M16A3/M16A4, M4/M4A1 Carbine - Continued.
Item Standard
M16A2 Rifle only:
Under the following conditions, hairline cracks (1) originating from buttplate
end of buttstock are acceptable. No chipped away material is allowed.
a. One hairline crack, not to exceed 1 in. (2.54 cm) in length, per side of
buttstock.
b. Two additional hairline cracks up to 0.22 in. (0.55 cm) in length, per side
of buttstock.
Buttstocks with unauthorized markings stamped into their surfaces will be
replaced. Unauthorized markings, scratched, etched, carved, etc., are
acceptable if they do not extend into the fiber of the buttstock which may
weaken it. These marks may lie at any location on the buttstock.
Cracks (2) in the critical area at the front end of the buttstock are not
acceptable and these buttstocks must be replaced.
M16A3/M16A4 Rifle and M4/M4A1 Carbine only:
Inspect for proper functioning. Repair as required.
END OF WORK PACKAGE