Key point: The military’s new toy can fire a bigger and badder caliber of bullet. One of the more interesting—and powerful—upgrades for the standard AR-15 rifle is an upper receiver in .458 SOCOM.
Rock River Arms' .458 SOCOM CAR A4 rifle offers the ideal combination of firepower and flexibility. Featuring a 16-inch chrome molly bull barrel, NM two-stage trigger and standard pistol grip, the ...
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