polygonal rifling instead of the land and grooves... same thing HK has been doing for awhileWhat is unique about the rifling?
What is unique about the rifling?
hey they have a free stripped lower with any upper purchase...
Contact Noveske Rifleworks, LLC. Precision Battle Weapons. NoveskeRifleworks.com
polygonal rifling instead of the land and grooves... same thing HK has been doing for awhile