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Big Bore Barrel for your new "Thumper" AR-15 If you're looking to sling serious lead through your AR-15, you're probably looking at the big bore options for the caliber. .450...
Bear Creek Arsenal .450 Bushmaster 16 Inch AR-15 Barrel - Parkerized Heavy Profile - Carbine Gas Bear Creek Arsenal is known for their commitment to quality, and their barrels are...
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