5.56x45mm NATO Rifles

DIAMONDBACK FIREARMS DB15 5.56 16" 30rd Black A2 Style

DIAMONDBACK FIREARMS DB15WSB 223 / 5.56 16" Black 30rd 15" MLOK Rail

DIAMONDBACK FIREARMS DB15 5.56/223 16" FDE 30rd M-Lok MOE Grip

DIAMONDBACK FIREARMS DB15 223/5.56 12" M-Lok Rail Black 30rd

Diamondback DB15 5.56mm NATO AR-15 Rifle

Diamondback DB15 223/5.56 Semi-Automatic Rifle with Quad Rail

CMMG MK4

Spike's Tactical Multi-Cal Betsy Ross Flag Stripped Lower Receiver, Black ***BLEMISHED***

Spikes Tactical Rare Breed Crusader 5.56 .223 Rem 16 Barrel No Magazine

Spikes STR5035R9S ST-15 LE Mid-Length 223 Rem,5.56x45mm NATO 16" No Magazine Black Hard Coat Anodized 6 Position Stock

Spikes Tactical Upper 5.56 16in Midlength LE w/ML Handguard and FSP Black

Daniel Defense DDM4 Ambush 5.56 NATO 18" 1:7 Kryptek Highlander Rifle 02-110-02095

DANIEL DEFENSE DDM4V7-CC Tornado

Daniel Defense DDM4 V7 LW 5.56x45mm 16" 1:7" Bbl Rifle (No Mag) 02-128-02241-067

DANIEL DEFENSE DDM4 MK12 DD Tornado Grey 5.56

DANIEL DEFENSE DDM4 V11 LW 5.56 Carbine 16"

DANIEL DEFENSE DDM4 V5 Carbine 5.56 16"

Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Carbine - ATLAS R-ONE - 12.5"

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK

M4e1 5.56 Assembled Upper Receiver W/M-Lok Atlas S-One Handguard - M4e1 5.56 Assm Uppr 11.5'''' Carbine 9'''' Atlas S-One Hg Fde

Aero Precision M4E1 AR-15 5.56x45mm NATO 14.5 in M-LOK Upper Receiver Mid Length Barrel 1-7 Twist 1/2x28 A2 Flash Hider 12 in M-LOK Handguard No

Aero Precision M4E1 Complete Upper 7.5" 5.56 Barrel EQ-7 Gen 2 Handguard - Anodized Black

Aero Precision M4E1 5.56mm 16in M-LOK Upper Receiver M4 Carbine Length Barrel 1-7 Twist 1/2x28 15in M-LOK Handguard Gen 2 FDE Cerakote

LMT CQB 16" Piston Rifle 5.56 30rd