Since 1969
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AR-15
AR-15 KITS
.300 BLACKOUT

300 Blackout AR-15 Kits

Build your own 300 Blackout AR-15 with one of these Rifle Kits. Everything that you'll need minus the Lower Receiver. Each kit includes an AR-15 Lower Parts Kit, a buttstock, buffer and buffer tube kit, and a complete fully assembled, headspaced and test fired 300 Blackout upper receiver.

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