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Bear Creek AR-15 Upper 16″ SS KeyMOD 1/8 Twist Assembly


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The BCA AR-15 Complete Upper Assembly has a 16″ diamond fluted heavy barrel made of 416R steel with a stainless finish and a 1:8 twist rate. The assembly includes a 10″ free floating quad rail with a low profile gas blosk, an M4 flat top forged upper receiver with forward assist, bolt carrier group, flash hider and charging handle. It is chambered in .223 Wylde and machined with M4 feed ramps in the barrel extension.

The BCA AR-15 Complete Upper Assembly, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by our BCA limited lifetime warranty. Choose an upper assembly designed by a U.S. company and made in the U.S.A. Choose BCA.

BCA DOES NOT recommend using steel cased ammo in our Assemblies or Rifles.