Upper Receivers & Conversion Kits

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

Products

159

In Stock on This Page

23

Brands

45

Price Range

$22–$5,585

Top Upper Receivers & Conversion Kits Brands

Radian Weapons 20 Advantage Arms 19 Noveske 9 Sons of Liberty Gun Works 9 Luth-Ar 7 Barrett 7

Upper Receivers & Conversion Kits Calibers

556NATO 50 223 Remington 23 22 LR 22 6MM ARC 15 223 Wylde 8 9MM 4

All Upper Receivers & Conversion Kits Products (159 results)

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LBE Upper with Forward Assist and Dust Cover - Lbe Unlimited

LBE Upper with Forward Assist and Dust Cover

● In Stock

Advantage Arms Conversion Kit 22LR - Advantage Arms

Advantage Arms Conversion Kit 22LR

● In Stock

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

Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum

● In Stock

Luth-AR AR-15 A1 Upper Receiver Assembled - Luth-Ar

Luth-AR AR-15 A1 Upper Receiver Assembled

● In Stock

Spike s Tactical Generation 2 Billet Upper 223 Remington 556NATO Mil-Spec Barrel Nut - Spikes Tactical

Spikes Tactical

Spike s Tactical Generation 2 Billet Upper 223 Remington 556NATO Mil-Spec Barrel Nut

● In Stock

Spikes Tactical ST15 Stripped Flat Top Upper Receiver Black - Spikes Tactical

Spikes Tactical

Spikes Tactical ST15 Stripped Flat Top Upper Receiver Black

● In Stock

Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK DDC - Geissele Automatics

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

$1,269.99 $1,450

● Availability Unknown

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

Advantage Arms Glock 19/23 Gen 3 Conversion Kit .22 LR 4.02 Barrel 10-Rounds - Advantage Arms

Advantage Arms Glock 19/23 Gen 3 Conversion Kit .22 LR 4.02 Barrel 10-Rounds

● In Stock

Battle Arms Workhorse AR-15 Complete Upper Receiver 223 Remington (Wylde) 16" Barrel - Battle Arms Development

Battle Arms Development

Battle Arms Workhorse AR-15 Complete Upper Receiver 223 Remington (Wylde) 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

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel - Heckler & Koch

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

● In Stock

Advantage Arms Conversion Kit for Glock 17 22 31 .22 LR 4.49 Barrel 10-Rounds - Advantage Arms

Advantage Arms Conversion Kit for Glock 17 22 31 .22 LR 4.49 Barrel 10-Rounds

● In Stock

CMMG Bravo Rimfire AR-15 Conversion Kit with 3 10-Round Magazines 22 LR Stainless Steel - Cmmg

CMMG Bravo Rimfire AR-15 Conversion Kit with 3 10-Round Magazines 22 LR Stainless Steel

$163.06 $239.95

● In Stock

Steyr AUG 9x19 Police Training Kit Black w/ 16" Threaded Bbl Trigger Pack and Bolt Carrier Group US1253010715 - Steyr Mannlicher

Steyr Mannlicher

Steyr AUG 9x19 Police Training Kit Black w/ 16" Threaded Bbl Trigger Pack and Bolt Carrier Group US1253010715

● 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 XIPHOS Upper Receiver Stripped 9MM Billet 7075-T6 Aluminum Construction - Battle Arms Development

Battle Arms Development

Battle Arms Development XIPHOS Upper Receiver Stripped 9MM Billet 7075-T6 Aluminum Construction

● In Stock

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

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

● In Stock

FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black - Fightlite

FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black

● In Stock

Advantage Arms Glock 17/22 Gen 3 Conversion Kit .22LR 10-Rounds - Advantage Arms

Advantage Arms Glock 17/22 Gen 3 Conversion Kit .22LR 10-Rounds

● In Stock

San Tan Tactical STT PILLAR Billet AR-15 Upper Receiver Black - San Tan Tactical

San Tan Tactical

San Tan Tactical STT PILLAR Billet AR-15 Upper Receiver Black

● In Stock

Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black - Battle Arms Development

Battle Arms Development

Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black

● In Stock

Advantage Arms Glock 19/23 Gen 5 Conversion Kit .22 LR 4.02 Barrel 10-Rounds CA Compliant - Advantage Arms

Advantage Arms Glock 19/23 Gen 5 Conversion Kit .22 LR 4.02 Barrel 10-Rounds CA Compliant

● In Stock

LanTac Upper Standard Receiver 5.56 NATO / .223 Rem M4 Feed Ramps for AR-15 - Lantac

LanTac Upper Standard Receiver 5.56 NATO / .223 Rem M4 Feed Ramps for AR-15

● In Stock