Technical data

TM 9-1005-319-23&P 0015
0015-25
1 v s 1 3 2
3 2
3 5
1 1
3 3
3 4
Figure 34. Insertion of Headspace Gage.
5. Assemble charging handle assembly (32), bolt assembly (33), and key and bolt carrier assembly (34)
into upper receiver assembly (11).
6. Insert headspace gage PN 7799734 (35) in chamber.
1 v s 1 3 3
1 1
3 2
3 4
Figure 35. Checking Headspace.
NOTE
For the purpose of this test "light finger pressure" is defined as 8 1/2 to 8 3/4 pounds.
7. Check headspace by pressing key and bolt carrier assembly (34) and charging handle assembly (32)
forward using light finger pressure.
8. Bolt should not rotate to locked position. Key and bolt carrier assembly (34) must protrude from rear of
upper receiver assembly (11) for proper headspace.