Toolcraft nitride-finished bolt carrier group for 5.56 NATO/.223. Carpenter 158 steel bolt with full-auto profile carrier. Nitride finish provides excellent wear resistance and smooth operation. MPI and HPT tested.
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AR Parts, Legal FederallyToolcraft Nitride BCG – 5.56
$129.99
Toolcraft nitride-finished bolt carrier group for 5.56 NATO/.223. Carpenter 158 steel bolt with full-auto profile carrier. Nitride finish provides excellent wear resistance and smooth operation. MPI a…
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