Ive found in the past the Nat ordnance receivers had the wrong threads for the front bottom metal screw.
A GI screw will not work in them fwiw, they're 1/4x25 if Im not mistaken.
I cant recall how...
Type: Posts; User: Doco overboard; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)
Ive found in the past the Nat ordnance receivers had the wrong threads for the front bottom metal screw.
A GI screw will not work in them fwiw, they're 1/4x25 if Im not mistaken.
I cant recall how...