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Upper Receivers & Conversion Kits

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

Products
248
In Stock
218
Brands
45
Price Range
$22–$5,714

Top Upper Receivers & Conversion Kits Brands

Radian Weapons 47Sons Of Liberty Gun Works 25Aero Precision 23Advantage Arms 21Battle Arms Development 10Luth-AR 8

Upper Receivers & Conversion Kits Calibers

5.56 NATO 51223 Remington 3322 LR 27223 Wylde 196mm ARC 139mm 8
All Upper Receivers & Conversion Kits Products (248 results)
LBE Upper with Forward Assist and Dust Cover - LBE Unlimited
▼ 27%
LBE Unlimited
LBE Upper with Forward Assist and Dust Cover
$93.53 $128.99
● In Stock
Advantage Arms Conversion Kit 22LR - Advantage Arms
▼ 23%
Advantage Arms
Advantage Arms Conversion Kit 22LR
$219.99 $285.99
● In Stock
Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum - Bravo Company Manufacturing
▼ 23%
Bravo Company Manufacturing
Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum
● In Stock
Luth-AR AR-15 A1 Upper Receiver Assembled - Luth-AR
▼ 6%
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
▼ 14%
Spikes Tactical
Spike s Tactical Generation 2 Billet Upper 223 Remington 556NATO Mil-Spec Barrel Nut
$208.99 $243
● In Stock
Spikes Tactical ST15 Stripped Flat Top Upper Receiver Black - Spikes Tactical
▼ 29%
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
▼ 10%
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
● In Stock
Battle Arms AR-15 Workhorse Upper Receiver Assembly without BCG 223 Remington (Wylde) 16" Barrel 15" M-LOK Handguard Black - Battle Arms Development
▼ 20%
Battle Arms Development
Battle Arms AR-15 Workhorse Upper Receiver Assembly without BCG 223 Remington (Wylde) 16" Barrel 15" M-LOK Handguard Black
● In Stock
Advantage Arms Glock 19/23 Gen 3 Conversion Kit .22 LR 4.02 Barrel 10-Rounds - Advantage Arms
▼ 29%
Advantage Arms
Advantage Arms Glock 19/23 Gen 3 Conversion Kit .22 LR 4.02 Barrel 10-Rounds
$210.26 $295.99
● In Stock
Advantage Arms Conversion Kit .22 LR - Advantage Arms
▼ 23%
Advantage Arms
Advantage Arms Conversion Kit .22 LR
$219.99 $284.49
● In Stock
Battle Arms Workhorse AR-15 Complete Upper Receiver 223 Remington (Wylde) 16" Barrel - Battle Arms Development
▼ 15%
Battle Arms Development
Battle Arms Workhorse AR-15 Complete Upper Receiver 223 Remington (Wylde) 16" Barrel
● In Stock
HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel - Heckler and Koch
▼ 19%
Heckler and Koch
HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel
● In Stock
Spikes Tactical 9mm Luger AR-15 Complete Upper Receiver - Spikes Tactical
▼ 26%
Spikes Tactical
Spikes Tactical 9mm Luger AR-15 Complete Upper Receiver
● In Stock
Advantage Arms Conversion Kit for Glock 17 22 31 .22 LR 4.49 Barrel 10-Rounds - Advantage Arms
▼ 23%
Advantage Arms
Advantage Arms Conversion Kit for Glock 17 22 31 .22 LR 4.49 Barrel 10-Rounds
$219.99 $285.99
● In Stock
Sons Of Liberty Gun Works Patrol Complete Upper 5.56 16 Barrel - Sons Of Liberty Gun Works
▼ 23%
Sons Of Liberty Gun Works
Sons Of Liberty Gun Works Patrol Complete Upper 5.56 16 Barrel
● In Stock
CMMG Bravo Rimfire AR-15 Conversion Kit with 3 10-Round Magazines 22 LR Stainless Steel - CMMG
▼ 37%
CMMG
CMMG Bravo Rimfire AR-15 Conversion Kit with 3 10-Round Magazines 22 LR Stainless Steel
$163.06 $259.99
● In Stock
Steyr Arms AUG 9mm Conversion Kit w/ 28-Round Waffle Style Magazine - Steyr Arms
▼ 16%
Steyr Arms
Steyr Arms AUG 9mm Conversion Kit w/ 28-Round Waffle Style Magazine
● 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
▼ 14%
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
CMMG Bravo Rimfire AR-15 Conversion Kit with 10-Round Magazine 22 LR Stainless Steel - CMMG
▼ 30%
CMMG
CMMG Bravo Rimfire AR-15 Conversion Kit with 10-Round Magazine 22 LR Stainless Steel
$139.99 $199.95
● In Stock
Battle Arms Development XIPHOS Upper Receiver Stripped 9MM Billet 7075-T6 Aluminum Construction - Battle Arms Development
▼ 19%
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 Arms
▼ 47%
Savage Arms
Savage Arms Axis, Axis II, 110 Apex, 110 Ultralite Single Shot Sled with Integral Latch Short Action
$24.45 $45.99
● In Stock
Sons of Liberty Gun Works East India Starter AR-15 13.7" Pinned CMV 5.56 NATO Assembled Upper Receiver Kit - Sons Of Liberty Gun Works
MSRP
Sons Of Liberty Gun Works
Sons of Liberty Gun Works East India Starter AR-15 13.7" Pinned CMV 5.56 NATO Assembled Upper Receiver Kit
● In Stock
FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black - FightLite Industries
▼ 13%
FightLite Industries
FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black
● In Stock
San Tan Tactical STT PILLAR Billet AR-15 Upper Receiver Black - San Tan Tactical
▼ 13%
San Tan Tactical
San Tan Tactical STT PILLAR Billet AR-15 Upper Receiver Black
● In Stock
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