All 5.56x45mm The 5.56×45mm NATO is a rimless bottlenecked intermediate cartridge family developed in the late 1970s in Belgium by FN Herstal. Sort by NewestSort by Name Show All Products .22 Short & .22LR .30 Carbine .30-06 Springfield .308 Winchester .375 Cheyenne Tactical .380 ACP .410 Gauge / .45 Colt .45 ACP 12 Gauge 20 Gauge 5.45x39mm 5.56x45mm 5.7x28mm 7.62x39mm 7.62x54R mm 9×19mm Luger 9x18mm Makarov Ammunition Bolt-Action Rifles Break-Action Rifles Break-Action Shotguns Custom Gunsmith Services Lever-Action Rifles MA Compliant NFA Services Pistol Caliber Carbine (PCC) Pre-Ban Firearms Precision Rifles Pump-Action Shotguns Rifles Semi-Automatic Pistols Semi-Automatic Rifles Semi-Automatic Shotguns Short Barrel Rifles (SBR) Specials, Sales, and Services SIG Sauer MCX-SPEAR LT; 5.56mm; 16″; MA Okay, $2,800.00 Custom Built AR Pattern Uppers Harrington and Richardson SB2 Ultra; .223 Rem; MA OK $600.00 Polytech AKS-223 Underfolder; Pre-Ban; MA OK $3,500.00 IMI-Israel Galil 5.56 – Pre-Ban, MA OK $5,600.00 Norinco 84-3A (AK-47) 5.56x45mm – Pre-Ban, MA OK $2,750.00 CZ Bren 2 MS Pistol Converted to Carbine, 5.56 Cal, MA Compliant! $2,400.00 Colt M-4 LE Carbine, 5.56, Not MA-OK $1,400.00 Robinson Armament XCR-L, .223 Wylde, MA OK – Call to custom order $2,350.00 SIG Sauer P556 Short Barrel Rifle (SBR); 5.56x54mm; Not MA OK $1,850.00 SIG Sauer P556 Pistol; 5.56x54mm; Not MA OK $1,750.00
