12.7x42mm Brass (Magnum Large Pistol primer)

12.7 x 42 Brass (Magnum Large Pistol primer) for sale online at cheap markdown costs with free shipping accessible on bulk at our online store, buy brass online. A potent huge bore cartridge made for AR style rifles is the 12.7x42mm. The brass case is essentially a 1.650-inch-long 50 AE with a 7.62×39-style head that has been rebated. The large magnum pistol primer is intended to be used with this brass case.