AR-30 .300 / .338 magazine assembly
What use is a replaceable magazine if you don’t have the spare? This is an essential accessory for your AR-30. Steel 5 round magazine for the .338 Lapua Magnum and .300 Winchester Magnum caliber Ar-30 rifles.
Magazines springs for the AR-10®, M-15, and AR-30 – Stainless steel, type 17-7 pre-hardened ASTM A313.