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What’s the best ammunition for your gun? The answers from gun owners can range from voodoo to scientific study. But unlike the AR15 most guns take only a specific kind of ammo. The AR-15 is probably the most popular rifle on the market today. But the debate about the best ammo for the AR 15 rages on. eCopUSA is owned and operated by a former vet and retired police officer. We are gun and ammo experts and AR 15 aficionados. Call us 1-844-326-7872 and we will help you determine the best cartridges and ammunition for your specific gun.

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