5.56x45mm NATO Rifles

Smith & Wesson MP15 Sport II 5.56mm with Magpul MOE M-LOK

Smith & Wesson MP15 Sport II 5.56mm with Magpul MOE M-LOK and Aimpoint PRO Patrol Optic

Smith & Wesson MP15 Sport II New 5.56mm Rifle with Dust Cover and Forward Assist

Smith & Wesson MP15 Sport II New 5.56mm Rifle with SIG Romeo5 Red Dot

Smith & Wesson MP15 Sport II New 5.56mm Rifle with Aimpoint PRO Patrol Optic

Smith & Wesson MP15 Sport II 5.56mm Optics Ready Rifle

Smith & Wesson MP15 Sport II 5.56mm Optics Ready Rifle with SIG Romeo5 Red Dot

Smith & Wesson MP15 Sport II 5.56mm Optics Ready Rifle with Aimpoint PRO Patrol Optic

Sionics Weapon Systems (SWS) AR-15 5.56 NATO Patrol Rifle Three XL - 16"

Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 16" (Phosphate BCG)

Sionics Weapon Systems (SWS) AR-15 Premium Complete 5.56 Upper Receiver - 11.5" (Phosphate BCG)

Sig Sauer MCX Spear LT IR 5.56mm Semi-Automatic Rifle (LE) (Law Enforcement/Military Only)

Sig Sauer MCX 5.56mm NATO Carbine with Folding Stock (LE) (Law Enforcement/Military Only)

Sig Sauer M400 PRO 5.56 NATO Semi-Auto Rifle with 16 Inch Barrel and Romeo 4T Red Dot (LE) (Law Enforcement/Military Only)

Sig Sauer SIGM400 Enhanced 5.56mm Semi-Auto Rifle (LE) (Law Enforcement/Military Only)

Sig Sauer SIGM400 Enhanced 5.56mm FDE Carbine Rifle (LE) (Law Enforcement/Military Only)

Sig Sauer M400 Classic 5.56mm Rifle with Carry Handle (LE) (Law Enforcement/Military Only)

Sig Sauer MCX 5.56mm NATO AR-Pistol with 14.5 Inch Barrel and MLOK Rail

Sig Sauer MCX 5.56mm NATO AR-Pistol (LE) (Law Enforcement/Military Only)

Sig Sauer M400 TREAD 1.0 5.56 NATO Trump FIGHT Edition Rifle

Sig Sauer M400 Forge 5.56mm NATO 16in Moss Green Cerakote Semi Automatic Modern Sporting Rifle - 30+1 Rounds

Sig Sauer M400 Forge 5.56mm NATO Flat Dark Earth Modern Sporting Rifle - 16in

Sig Sauer M400 Forge 5.56mm NATO 16in Gray Cerakote Semi Automatic Modern Sporting Rifle - 30+1 Rounds

Sig Sauer M400 Forge 5.56mm NATO Black Semi-Auto Rifle - 16in