5.56x45mm NATO Lower Receivers

Fightlite Industries SCR Lower Receiver Flat Dark Earth Multi-Cal for AR/M4

2A ARMAMENT PALOUSE-LITE Builder Series Multi-Caliber AR15 Stripped Lower Receiver - Black

POF Renegade + Pistol, 5.56, 10.5" Blk

Noveske Lower/Upper Set Gen 3 Black 5.56NATO / .223Rem

Stag 15 Ambi AR-15 Stripped Lower Receiver - Black

M4e1 Pro Complete Lower Receiver W/ Moe Grip & Sl Carbine Stock - M4e1 Pro Comp Lower W/Moe Grip & Sl Carbine Stock Kodiak

M4e1 Pro Complete Lower Receiver W/ Moe Grip & Sl Carbine Stock - M4e1 Pro Comp Lower W/Moe Grip & Sl Carbine Stock Black

AERO PRECISION M4E 5.56 NATO (Multi Caliber) Complete AR15 Lower Receiver w/ MOE Grip & STR Stock

Aero Precision M4E1 Builder Set w/ 9" ATLAS R-ONE M-LOK Handguard - FDE Cerakote

Aero Precision M4E1 Builder Set w/ 12" ATLAS S-ONE M-LOK Handguard - Anodized Black

Aero Precision M4E1 Builder Set w/ 7" ATLAS S-ONE M-LOK Handguard - FDE Cerakote

Aero Precision AR-15 Complete Lower Receiver w/ MOE Grip & Fixed Carbine Stock - Anodized Black

AERO PRECISION M4E1 Cmplt Lower Rcv MOE Grip & PRS Rifle Stock

AMERICAN TACTICAL IMPORTS Galeo Lower Receiver 5.56x45 Black Parkerized AR15

Knights Armament SR-15 Stripped Lower 5.56 Ambi Controls Blemished

FRANKLIN ARMORY BFSIII Equipped PDW C7 Pistol w/SBPDW Brace

RADIAN BUILDER KIT 8.5" OD GREEN

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

SPIKES TACTICAL Spartan Set Match Lower/Upper Hndgrd Set 223/5.56

Aero Precision AR-15 Stripped Lower Receiver STS - Anodized Black

LMT Defense 5.56mm Lower Parts Kit Light, No Trigger

Desert Tech Quattro-15 Lower Receiver Assembly QTR-LR-15

Wilson Combat Receiver Set Armor-Tuff Finish

Mk1 Mod 2-M Complete Rifle Lower Receiver