- BCM Gunfighter Mod 0 stock body — polymer, sling QD compatible, matte-black finish
- Mil-spec (1.148" OD) carbine-length receiver extension / buffer tube
- Quick-detach (QD) end plate — accepts standard push-button QD sling swivels
- Castle nut (lock nut)
- Standard AR-15 carbine action spring
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