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AR-15 · Lower receiver
Spike's Tactical Spider Stripped Lower Receiver
$107
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
- Forged 7075-T6, CNC machined
- Mil-spec dimensions fit standard parts kits
- Lifetime warranty
Cons
- No flared magwell or ambi controls
- Spider and pictogram markings not to all tastes
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