With a range of 500 yards top with no addition to the barrel. Gas-operated with air cooling system. Fires 5.55x45 NATO with an optional of .233 Rem (Civillian version) with a 14.5 inch barrel. 4 position buttstock, etc.
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An air-cooled, gas-operated, select fire rifle that fires the 5.56x45 NATO intermediate rifle cartridge at around 700-950 rounds per minute.
MILITARY M4-A1. STANDARD ROUNDS, ONLY PERMITTED FOR USE INSIDE THE MILITARY; ATTACHMENTS AVAILABLE AT THE BOTTOM, TOP, BARREL, TIP (MAINLY FOR SUPPRESSORS) MAGAZINE, AND STOCK. FOLLOW FOR MORE
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