Upper Receivers & Conversion Kits

Compare upper receivers & conversion kits prices from top retailers. Find the best deals across all major brands.

Top Upper Receivers & Conversion Kits Brands

Advantage Arms 20 Radian Weapons 18 Luth-AR 16 Sons Of Liberty Gun Works 11 Noveske Rifleworks 9 Barrett Firearms 7

Upper Receivers & Conversion Kits Calibers

5.56x45mm NATO 70 223 Remington 39 22 LR 24 6mm ARC 15 223 Wylde 13 308 Winchester 8

All Upper Receivers & Conversion Kits Products (166 results)

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Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black - RISE Armament

Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black

● In Stock

Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel - Daniel Defense

Daniel Defense DDM4v7 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

● In Stock

Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel - Geissele Automatics

Geissele Automatics

Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel

● In Stock

Troy Industries AK-47, AK-74 Picatinny Top Rail Gas Tube Aluminum Black - TROY Industries

TROY Industries

Troy Industries AK-47, AK-74 Picatinny Top Rail Gas Tube Aluminum Black

● In Stock

Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Patriot Brown - RISE Armament

Rise Armament AR-15 Complete Upper Receiver 22 ARC 18" Barrel 15" M-LOK Handguard Rifle Length Patriot Brown

● In Stock

Daniel Defense M4A1 Block II AR-15 Complete Upper Recevier 5.56x45mm NATO 14.5" Pinned Barrel - Daniel Defense

Daniel Defense M4A1 Block II AR-15 Complete Upper Recevier 5.56x45mm NATO 14.5" Pinned Barrel

● In Stock

LBE Upper with Forward Assist and Dust Cover - LBE Unlimited

LBE Upper with Forward Assist and Dust Cover

$100.55 $129.99

● In Stock

Savage Arms Axis, Axis II, 110 Apex, 110 Ultralite Single Shot Sled with Integral Latch Short Action - Savage Arms

Savage Arms Axis, Axis II, 110 Apex, 110 Ultralite Single Shot Sled with Integral Latch Short Action

● In Stock

Rise Armament AR-15 Complete Upper Receiver 6mm ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black - RISE Armament

Rise Armament AR-15 Complete Upper Receiver 6mm ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black

● In Stock

Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel - Daniel Defense

Daniel Defense DDM4v7 Lightweight AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

● In Stock

Noveske AR-15 Chainsaw Complete Upper Receiver 5.56x45mm NATO 16" Barrel NSR-15 M-LOK Handguard Black - Noveske Rifleworks

Noveske Rifleworks

Noveske AR-15 Chainsaw Complete Upper Receiver 5.56x45mm NATO 16" Barrel NSR-15 M-LOK Handguard Black

● Availability Unknown

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF - Spikes Tactical

Spikes Tactical

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF

● In Stock

CMMG Resolute Mk4 AR-15 Complete Upper Receiver 350 Legend 16.1" Barrel - CMMG

CMMG Resolute Mk4 AR-15 Complete Upper Receiver 350 Legend 16.1" Barrel

$675.99 $949.95

● In Stock

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 16" Cold Hammer Forged Barrel M-LOK DDC - Geissele Automatics

Geissele Automatics

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 16" Cold Hammer Forged Barrel M-LOK DDC

● In Stock

FightLite Industries Mission Configurable Rifle Complete Upper 5.56 16.25 Threaded Barrel - FightLite Industries

FightLite Industries

FightLite Industries Mission Configurable Rifle Complete Upper 5.56 16.25 Threaded Barrel

● In Stock

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail - Spikes Tactical

Spikes Tactical

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail

● In Stock

Advantage Arms Conversion Kit .22 LR - Advantage Arms

Advantage Arms Conversion Kit .22 LR

● In Stock

Advantage Arms Conversion Kit - Advantage Arms

Advantage Arms Conversion Kit

● In Stock

Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum - Bravo Company Manufacturing

Bravo Company Manufacturing

Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum

● In Stock

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel - Rock River Arms

Rock River Arms

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

● In Stock

Spikes Tactical 9mm Luger AR-15 Complete Upper Receiver - Spikes Tactical

Spikes Tactical

Spikes Tactical 9mm Luger AR-15 Complete Upper Receiver

● In Stock

PWS AR-15 MK116 MOD 2-M Complete Upper Receiver 7.62X39mm 16.1" Barrel Long Stoke Piston - Primary Weapon Systems

Primary Weapon Systems

PWS AR-15 MK116 MOD 2-M Complete Upper Receiver 7.62X39mm 16.1" Barrel Long Stoke Piston

● In Stock

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm with Pinned 14.5" Cold Hammer Forged Barrel M-LOK Black - Geissele Automatics

Geissele Automatics

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm with Pinned 14.5" Cold Hammer Forged Barrel M-LOK Black

● In Stock

Battle Arms Development Workhorse AR-15 Upper 16 Barrel 5.56 NATO 15 M-LOK Handguard - Battle Arms Development

Battle Arms Development

Battle Arms Development Workhorse AR-15 Upper 16 Barrel 5.56 NATO 15 M-LOK Handguard

● In Stock