ARMSAGORA
Armory
Loadout
Menu
Deals
Guns
Ammo
Optics & Mounting
Gun Attachments
Gun Parts
Accessories
Safes & Storage
Menu
Loadout
Home
/
Upper Receivers & Conversion Kits
/
5.56x45mm NATO
5.56x45mm NATO Upper Receivers & Conversion Kits
70 products found across 36 retailers
All 5.56x45mm NATO Upper Receivers & Conversion Kits Products (70 results)
Hide out of stock
Sort:
Most Relevant
Lowest Price
Highest Price
Category: Upper Receivers & Conversion Kits
×
Caliber: 5.56x45mm NATO
×
Clear all
Filters 2
Most Relevant
Lowest Price
Highest Price
Daniel Defense
Luth-AR
Geissele Automatics
Sons Of Liberty Gun Works
Noveske Rifleworks
FightLite Industries
Battle Arms Development
Spikes Tactical
Colt
Radian Weapons
CMMG
Lantac
WMD Guns
Sharps Bros
CMC Triggers
Wilson Combat
LBE Unlimited
Rock River Arms
Radical Firearms
Heckler and Koch
♡
Daniel Defense
Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel
MAP
● In Stock
♡
Geissele Automatics
Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel
MAP
● In Stock
♡
Daniel Defense
Daniel Defense M4A1 Block II AR-15 Complete Upper Recevier 5.56x45mm NATO 14.5" Pinned Barrel
MAP
● In Stock
♡
▼
23%
LBE Unlimited
LBE Upper with Forward Assist and Dust Cover
$100.55
$129.99
● In Stock
♡
Daniel Defense
Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel
MAP
● In Stock
♡
Noveske Rifleworks
Noveske AR-15 Chainsaw Complete Upper Receiver 5.56x45mm NATO 16" Barrel NSR-15 M-LOK Handguard Black
MAP
● Availability Unknown
♡
Spikes Tactical
Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF
MAP
● In Stock
♡
Geissele Automatics
Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 16" Cold Hammer Forged Barrel M-LOK DDC
MAP
● In Stock
♡
FightLite Industries
FightLite Industries Mission Configurable Rifle Complete Upper 5.56 16.25 Threaded Barrel
MAP
● In Stock
♡
Spikes Tactical
Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail
MAP
● In Stock
♡
Bravo Company Manufacturing
Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum
MAP
● In Stock
♡
▼
24%
Rock River Arms
Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel
$407.99
$540
● In Stock
♡
Geissele Automatics
Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm with Pinned 14.5" Cold Hammer Forged Barrel M-LOK Black
MAP
● In Stock
♡
Battle Arms Development
Battle Arms Development Workhorse AR-15 Upper 16 Barrel 5.56 NATO 15 M-LOK Handguard
MAP
● In Stock
♡
Heckler and Koch
HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel
MAP
● In Stock
♡
▼
34%
Radical Firearms
Radical Firearms Complete Upper Assembly .223 Rem/5.56 16 Barrel MLOK
$264.41
$399.99
● In Stock
♡
▼
23%
Spikes Tactical
Spike s Tactical Generation 2 Billet Upper 223 Remington 556NATO Mil-Spec Barrel Nut
$208.99
$270
● In Stock
♡
Spikes Tactical
Spikes Tactical Complete Upper Receiver 5.56 NATO / .223 Rem 16 Barrel
MAP
● In Stock
♡
Noveske Rifleworks
Noveske AR-15 N4 Infidel Pinned and Welded Complete Upper Receiver 5.56x45mm NATO 13.7" Barrel NSR-15 M-LOK Handguard Black
MAP
● In Stock
♡
Luth-AR
Luth-AR AR-15 .223 Complete Upper Assembly 24 Barrel
MAP
● In Stock
♡
Geissele Automatics
Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK Black
MAP
● In Stock
♡
Geissele Automatics
Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm with Pinned 14.5" Cold Hammer Forged Barrel M-LOK DDC
MAP
● In Stock
♡
Geissele Automatics
Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK DDC
MAP
● Availability Unknown
♡
Battle Arms Development
Battle Arms Development Authority Elite Complete Upper 5.56 16 Threaded Barrel M-Lok Handguard
MAP
● In Stock
‹
1
2
3
›
