![Proof Research Barrel AR-15 6.5 Grendel 20" Rifle Length 1 in 8" Twist Stainless Steel Proof Research Barrel AR-15 6.5 Grendel 20" Rifle Length 1 in 8" Twist Stainless Steel](https://cdn11.bigcommerce.com/s-bd012etngf/images/stencil/300x300/products/145049/363524/133393091__09630.1714031387.jpg?c=1)
Proof Research Barrel AR-15 6.5 Grendel 20" Rifle Length 1 in 8" Twist Stainless Steel
$569.00
$629.00
Pete Rickard
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Pete Rickard
Proof Research
Pete Rickard
Ballistic Advantage
Sons of Liberty Gun Works