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Chambered in 5.56
I polished the rails of the bolt carrier to make it even smoother.
Less than 150 rounds through it.
Here is what I've coped and pasted from the Bushmaster website :
These Bushmaster Stainless Steel Barrels are machined to our strictest standards. We've had many requests to build Bushmaster accuracy in Stainless Steel configurations - just snap this complete assembly on your lower receiver and you're ready for the high power range. Assemblies are complete with Bushmaster forged Upper Receivers with Match Grade Polished Stainless Steel Barrels (1 in 9" right hand twist, button rifled).
(PURA2B 20SS) with crowned muzzle/no lug, and a aftermarket muzzle break.
$450
Tualatin
I polished the rails of the bolt carrier to make it even smoother.
Less than 150 rounds through it.
Here is what I've coped and pasted from the Bushmaster website :
These Bushmaster Stainless Steel Barrels are machined to our strictest standards. We've had many requests to build Bushmaster accuracy in Stainless Steel configurations - just snap this complete assembly on your lower receiver and you're ready for the high power range. Assemblies are complete with Bushmaster forged Upper Receivers with Match Grade Polished Stainless Steel Barrels (1 in 9" right hand twist, button rifled).
(PURA2B 20SS) with crowned muzzle/no lug, and a aftermarket muzzle break.
$450
Tualatin
