AR Parts in 5.56x45mm NATO

War Dog Industries Skeletonized Upper Receiver - Black

5" 5.56 NATO 1:5 Micro Black Nitride Barrel

Armaspec B2 Extended Mag Release - Gold

Armaspec B1 Extended Mag Release - Gold

Armaspec S2 Enhanced Trigger Guard - Gold

Armaspec SFT45/90 Ambi Safety Selector - Gold

Armaspec ECB Enhanced Combat Button - Gold

Armaspec TCB-31 Tactical Combat Button - Gold

Rise Armament Iconic 2-Stage 3lb Trigger w/ Anti-Walk Pins - FDE - APRH101776C

Juggernaut Tactical JTHCAPK223 5.56 CA Quick PIN KIT w/MAG Lock

Low Profile AR15 .625 Gas Block, W / Roll Pins & Wrench - Item # GB625

Daniel Defense 16\" 5.56 NATO Mid-Length Lightweight Barrel CHF

Daniel Defense 16\" 5.56 NATO Govt Profile Barrel 0707709173018 Black Phosphate AR-15 Chrome Moly Vanadium

Battle Arms Development Workhorse WH556-URS-ODG OD Green Anodized AR-15/M4 Upper Receiver

Aero Precision M4E1 Enhanced 16\" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15\" M-LOK Handguard - Cerakote FDE - APAR612294M7

Mega Arms~Gator~5.56 NATO

Ak-47 Adjustable Trigger Kit - Ak-47 Trigger Kit

Brn-4(R) Blem Upper Receiver Assemblies With Nitride Barrels - Blem Brn-4 Assembled Upper 14.5 Md Black Nitride Bbl

Lightweight Ar-15 Starter Kits - Lightweight Ar15 Starter Kit 10.5'''' Handguard 12.5'''' Bbl W/Bcg

Lightweight Ar-15 Starter Kits - Lightweight Ar15 Starter Kit 14'''' Handguard 14.7'''' Bbl W/Bcg

Brn-4 Upper Receiver Build Kits - Brn-4 Upper Receiver Build Kit, 14.5'''' Medium Barrel

Xm177e2 Complete Upper Receiver & 4x Retro Carry Handle Scope - Xm177e2 Upper Receiver 11.5'''' 1-7 & Retro Colt 4x Optic (Dupe

Xm177e2 Complete Upper Receiver & 4x Retro Carry Handle Scope - Xm177e2 Upper Receiver 11.5'''' 1-12 & Retro Colt 4x Optic (Dup

Xm177e2 11.5''''Adeg W/Colt Optic - Brn Xm177e2 5.56mm 11.5''''bbl 1-12 Twt Upper Pin/Weld W/4x21mm