Plinker Arms offers a new line of .22LR complete upper conversion units adaptable to standard AR-15 lower receivers. A standard AR-15 can be easily and quickly converted into a fully functional .22LR rifle with no modifications, no jams, no failures to feed, just reliable shooting at a fraction of the operating cost. The three new units include an M-4 Upper Conversion, a SBR Upper Conversion and a Bull Barrel Upper Conversion.

The Plinker Arms .22LR Upper Conversion Unit includes a dedicated forged 7075 T6 alloy upper receiver and anodized, aluminum Picatinny-style rail system.

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