Ultimate Upgrade for your AR . 223, RRA is now
offering the Knock Down - Fire Power and the Flexibility of the new .458
SOCOM upper half
You can now take down Big Game, Deer,
Bear, Elk, Moose, Dangerous Game, ect. by converting just the upper receiver. The military uses the .458 SOCOM
for special operations.
upgrade to your standard AR .223 platform is accomplished by
changing just the upper half, will fit any Mil-Spec lower receiver. The .458 SOCOM upper works with the standard AR
receivers and un-modified 10, 20, 30 round GI magazines.
The .458 SOCOM
ammunition is widely available in a variety of loads and bullet
types with High Velocity to Sub-Sonic Large Caliber rounds, 250 - 600 grain.