AR RECEIVER BLANKS

The RL556v3? features Polymer80?s proprietary polymer composite, a solid core design, flared magwell, and beefier mil-spec buffer tube housing. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers. The kit includes: 80% Polymer AR15 Lower Blank (Mil-spec) Hex Key Set Screw Grip Nut Grip Screw Bolt Catch Pin This product …
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