Results for 5.56x45mm NATO AR Rifles

PRI Mark 12 Mod 0 AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel 1:8" Twist Black

PRI Mark 12 Mod H AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel 1:8" Twist Black

PRI Mark 12 Mod H AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel 1:8" Twist Flat Dark Earth

FosTech Outdoors Stealth Raptor Tungsten 5.56 16 Barrel 30-Rounds

FOSTECH STRYKER 16" 5.56 ECHO

Beretta ARX 100 FDE 5.56/.223 REM 30 Rounds JXR11B12

VKTR VK1 RIA 5.56 NATO 13.7IN BBL 12.5IN HG OR HUX WRX MB FDE MAGPUL FURNITURE

Ar-15 Kp-15 Stripped Lower Receivers Polymer - Kp-15 Stripped Lower Receiver Polymer Fde

Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16'''' Heavy Bbl Complete Upper W/13.5'''' Handguard

Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 14.5'''' Hvy Bbl Complete Upper W/13.5'''' Handguard

Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 16'''' Med Bbl Complete Upper W/13.5'''' Handguard

Brn-4(R) Complete Upper Receivers - Brn-4 5.56mm 14.5'''' Med Bbl Complete Upper W/13.5'''' Handguard

Xm177e2 Complete Upper Receivers - Brn Xm177e2 Upper Receiver, 11.5'''', 1-7 Twist, Black

Xm177e2 Complete Upper Receivers - Brn Xm177e2 Upper Receiver, 12.7'''' 1-7 Twist, Pin/Weld, Black

Brn-15 Upper Receivers 5.56mm Nato - Brn-15 5.56mm 13.7'''' Bbl .750'''' Gas Block Upper Receiver

SMITH & WESSON Volunteer XV Pro M-LOK 5.56 NATO 14.5in 30rd

SMITH & WESSON Volunteer XV M-LOK 5.56 NATO 16in 10rd NJ Compliant

SMITH & WESSON M&P15 Sport II 30-Round Promo Kit

SMITH & WESSON M&P15 Sport II 5.56 NATO 16" 30rd Semi-Auto AR15 Rifle w/ Crimson Trace Red-Green Dot

SMITH & WESSON M&P15 Sport II 5.56 NATO 16" 30rd Semi-Auto AR15 Rifle | FDE

SMITH & WESSON M&P15 Sport II Case/Mag Charger 223/5.56 16" 30rd

SMITH & WESSON MP15 Sport II 5.56 NATO 16" 10rd Semi-Auto AR15 Rifle - Black

Smith & Wesson MP-15T 5.56mm Tactical/Free Float Semi-Auto Rifle (LE) (Law Enforcement/Military Only)

Smith & Wesson M&P15T 5.56x45mm NATO 16" 1:9" Bbl 6-Posiiton CAR Stock 30rd Rifle w/Magpul MBUS Sights 811041