1. Firearms
  3. Semi-Auto Rifles

5.56 mm Semi-Auto Rifles For Sale

MR556 A4 5.56 NATO RIFLE WITH M-LOK HANDGUARD

HK MR556 A4 5.56mm Rifle with M-Lok Handguard

  • $3,999.00 $3,449.99
In Stock
  • Brand: HK
  • Item Number: 81000827
M400 SENTRY 5.56 NATO 16 IN BARREL ROMEO5 GEN II RED DOT FOXTROT MSR LIGHT

Sig Sauer M400 Sentry 5.56mm NATO Rifle w/ Romeo5 Optic, Light and Forend Grip

  • $1,899.99 $1,749.99
In Stock
DB15 5.56 NATO 16 IN GOLD THREADED BARREL GREEN CERAKOTE 15 IN M-LOK HANDGUARD

Diamondback DB15 5.56mm Seim-Automatic Rifle with Gold Cerakote Finish

  • $1,013.00 $829.99
In Stock
M&P15 AXE 5.56 NATO 16.1 IN BARREL BLK/GREY ARMORNITE M-LOK HANDGUARD 30 RD MAG

Smith & Wesson M&P15 AXE 5.56mm Semi-Auto AR-15 Rifle with 16 Inch Barrel

  • $1,599.00 $1,499.00
In Stock
PC M&P15 AXE 5.56 NATO 16.1 IN BARREL M-LOK HANDGUARD COMP GREY CERAKOTE 30 RD

Smith & Wesson M&P15 AXE Performance Center 5.56mm Semi-Automatic AR-15 Rifle

  • $1,649.00 $1,549.00
In Stock
DDM4V7 5.56MM 16 WITH VORTEX VENOM

Daniel Defense DDM4 V7 5.56mm Semi-Automatic Rifle with Vortex Venom 1-6x24mm Riflescope and Sport Cantilever Mount

  • $2,642.98 $1,499.99
In Stock
DDM4V7 5.56MM 16 WITH VORTEX VENOM

Daniel Defense DDM4 V7 5.56mm Semi-Automatic Rifle with Vortex Strike Eagle 1-8x24 Scope and Pro Cantilever Mount

  • $2,802.98 $1,579.99
In Stock
CARBON-15 5.56MM RIFLE

Bushmaster Carbon-15 5.56mm Carbon Fiber Rifle

  • $932.99 $769.99
XM15-E2S 5.56MM PATROLMANS CARBINE

Bushmaster XM15-E2S 5.56mm Patrolmans Carbine

  • $1,274.88 $749.99
XM15-E2S 5.56 ORC CARBINE WITH TELESTOCK

Bushmaster XM15-E2S 5.56mm ORC M4 Carbine

  • $1,082.45 $599.99
M4 CARBINE 5.56 LE6920 SERIES

Colt M4 Carbine 5.56x45 NATO LE6920 Series

  • $1,999.99
A-15 PANTHER LITE 16A3 .223/5.56MM RIFLE

DPMS A-15 Panther Lite 5.56mm A3 Flat-top Rifle

  • $769.99 $634.95
CQB MRP DEFENDER MODEL 16 5.56 CARBINE

LMT CQB MRP Defender Model 16 5.56mm Carbine

  • $2,350.00 $1,499.99
  • Brand: LMT
  • Item Number: CQB16
LAR-15 TACTICAL CAR A4 5.56 CARBINE

Rock River Arms LAR-15 Tactical 5.56 Carbine Semi-Automatic Rifle

  • $1,215.00 $899.99
LAR-15 TACTICAL CAR A4 5.56 A2 CARRY

Rock River Arms LAR-15 Tactical 5.56 A2 Semi-Automatic Rifle

  • $1,205.00 $899.99
LAR-15 ENTRY TACTICAL 5.56 W/ TACT MOUNT

Rock River Arms LAR-15 ENTRY TACTICAL 5.56 W/ TACT MOUNT

  • $1,215.00 $1,099.99
LAR-15 ENTRY TACTICAL 5.56 PACKAGE

Rock River Arms LAR-15 ENTRY TACTICAL 5.56 PACKAGE

  • $1,215.00 $1,079.99
PREDATOR PURSUIT RIFLE 5.56/.223 20-INCH

Rock River Arms PREDATOR PURSUIT RIFLE 5.56/.223 20-INCH

  • $1,190.00 $989.99
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