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AR-15 · Lower receiver
Brownells BRN-16A1 M16A1 Stripped Lower Receiver
Price varies
Standard AR-15 lower for all five calibers. 7.62x39 steel mags can bind or fail to lock back in some magwells; an enhanced bolt catch or specific mag brand may be needed. .450 BM uses dedicated straight-wall mags that fit a standard magwell.
Build with this partOpens the builder with this part fitted. Other parts change only if they have to.
Pros and cons
Pros
- Retro A1 profile, made with Nodak Spud
- Forged 7075-T6, mil-spec dimensions
- Offered in gray or black
Cons
- Mil-spec controls only
- Retro look clashes with modern builds
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