Oberland Arms OA-15 M1 Heavy Barrel Complete Specs and Full Gun Specifications

OA-15 M1 with heavy barrels, 18mm muzzle diam. As an option flash hiders and compensators are available. Upper and Lower Receivers are machined from solid billet. The Aluminium alloy is two times stronger than stainless steel, the range of its applications are aerospace parts as well as rims for racing cars. We brought down the tolerances to a minimum which guarantees a perfect, tight fit between Upper and Lower Receiver. The parts are fine-blasted before they receive their hardanodizing. The Rail of the Upper is a MilSpec Picatinny (MilStd 1913) which ensures a tight fit of high-quality mounts like A.R.M.S. . Lothar Walther stainless Steel Match Grade barrels are used.