M4 Carbine Basic Parts Kit. Kit includes the following parts. QTY Part No. Description 1 TA20065 Grease Pack 1 LUBE Oil Pack 1 98-12A O-ring, C.U., 90A, 2-019 2 TA50029 Pin Detent 2 TA20049 O-Ring, C.U., 70A, 2-006 2 TA30049 O-Ring, C.U., 70A, 2-008 2 TA20096 .150" I.D. X 0.037" C.S., O-Ring, C.U., 70A 1 TA50139 10-32 x 3/16" LONG BHSCS 1 TA50095 SHCS #6-32 X 1/4" 1 TA50110 H.U. Pusher 1 TA50146 Front Bolt Spring 1 TA50014 H.U. Bucking
