.223 REM/5.56 NATO
Showing 1–32 of 62 results
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CMMG Resolute MK4 Upper Group – 5.56 NATO, 16.1″ Barrel, M-LOK
$482.99 Add to cart -
Cobalt Kinetics CK-Pro URG 5.56 NATO 14.5″ Barreled Upper – Black
$1,204.35 Add to cart -
Cobalt Kinetics CK-Pro URG 5.56 NATO 16in Black Cerakote Upper
$1,204.35 Add to cart -
Daniel Defense MK18 URG 5.56 10.3″ RIS II FDE Complete Upper
$1,527.00 Add to cart -
DPMS Kitty Kat 5.56 NATO 7.5″ C7 Complete AR-15 Upper
$549.00 Add to cart -
FightLite MCR 5.56 NATO Dual-Feed Upper 16.25″ – Belt-Fed AR-15
$6,599.99 Add to cart -
FightLite MCR Dual-Feed Upper 5.56 NATO 12.5″ Belt-Fed AR-15
$6,599.99 Add to cart -
FightLite MCR Dual-Feed Upper 5.56 NATO 16.25″ Belt-Fed AR-15
$5,899.99 Add to cart -
FightLite MCR Dual-Feed Upper 5.56 NATO 16.25″ M-LOK Belt-Fed
$5,899.99 Add to cart -
FightLite MCR Dual-Feed Upper 5.56 NATO 16.25in M-LOK Belt-Fed
$6,599.99 Add to cart -
Geissele URG-I MK16 14.5″ Complete Upper, 5.56 NATO, DDC
$1,525.00 Add to cart -
Gemtech GVAC Complete Upper 5.56 NATO 16.1″ 15″ M-LOK w/ BCG
$741.99 Add to cart -
Heckler & Koch MR556A4 Complete Upper Kit 5.56 NATO 16.5″
$2,179.00 Add to cart -
HM Defense MonoBloc Complete AR-15 Upper .223/5.56 16″ M-LOK
$675.99 Add to cart -
LBE Unlimited AR75RBK Ready Build Kit 7.5″ CHF Complete Upper
$443.99 Add to cart -
LBE Unlimited Ready Build Kit 12.5″ CHF Barrel 5.56 AR-15 Upper
$512.99 Add to cart -
LBE Unlimited Ready Build Kit 13.7in CHF .223/5.56 AR-15 Upper
$512.99 Add to cart -
LBE Unlimited Ready Build Kit 14.5in CHF .223/5.56 AR-15 Upper
$512.99 Add to cart -
Luth-AR A2 Upper Receiver with A2 Rear Sight Cut, Stripped, Black
$108.05 Add to cart -
Luth-AR M16 A1 Stripped Upper Receiver – 5.56 NATO Retro Build
$150.35 Add to cart -
Luth-AR M16A1 Assembled Upper Receiver 5.56 NATO Black Retro
$206.75 Add to cart -
Luth-AR UR-01-E3-SA Slick Side A1 Upper Receiver 5.56 NATO
$203.93 Add to cart -
POF Minuteman Complete Upper 5.56 NATO 16.5″ Renegade M-LOK
$1,040.00 Add to cart -
POF Minuteman Complete Upper 5.56 NATO 16.5in Patriot Brown
$902.99 Add to cart -
POF P-415 Edge Complete Upper 5.56 NATO 10.5″ Piston Black Nitride
$1,113.99 Add to cart -
POF P-415 Edge Complete Upper 5.56 NATO 16.5 in Piston AR-15
$1,113.99 Add to cart -
POF Renegade+ Complete Upper 5.56 NATO 16.5″ M-LOK Rail
$957.99 Add to cart -
Rock River Arms RRAGE 3G Complete Upper, 5.56 NATO, 16″
$494.99 Add to cart -
Spike’s Tactical STU5025M4S Complete AR-15 Upper 5.56 NATO 16″
$835.00 Add to cart -
Spikes Tactical STU5025R9S Complete AR-15 Upper 5.56 NATO 16″ w/ 9″ BAR2 Rail
$743.40 Add to cart -
TacFire AR-15 Complete Upper 5.56 NATO 16″ Black w/ BCG
$300.99 Add to cart -
TacFire AR-15 Complete Upper 5.56 NATO 7-inch M-LOK with BCG
$294.99 Add to cart