6.5 Grendel Bolt Carrier Groups and Barrels
6.5 Grendel is arguably the hardest hitting caliber that can be used in a standard size small frame AR15 platform. All you need to convert your AR to 6.5 Grendel is a BCG, Barrel and magazines. Everything else stays the same. 6.5 Grendel uses a standard lower receiver and standard upper receiver. 6.5 Grendel also uses your standard AR gas tube and gas block. Shop our large selection of Grendel Bolt carrier groups and barrels today and save big!