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The parts allow for extending the lower rear portion of the BCG by approximately 40mm, similar to what is found in the M16/M4A1.
They are compatible with AR-15 semi-auto BCGs with a lower portion length of 19mm or less.
The parts are fastened together using an M4 hex screw and nut.
Printing these parts from plastic is generally not recommended due to the potential high temperatures that the bolt carrier group may reach. It is better to manufacture them from aluminum or metal.
The archive contains an STP file and an STL file with both parts.
LBRY Tags: bcg; ar15; m16; m4a1; semi
They are compatible with AR-15 semi-auto BCGs with a lower portion length of 19mm or less.
The parts are fastened together using an M4 hex screw and nut.
Printing these parts from plastic is generally not recommended due to the potential high temperatures that the bolt carrier group may reach. It is better to manufacture them from aluminum or metal.
The archive contains an STP file and an STL file with both parts.
LBRY Tags: bcg; ar15; m16; m4a1; semi
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