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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
159
In Stock on This Page
22
Brands
45
Price Range
$22–$5,585

Top Upper Receivers & Conversion Kits Brands

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

Upper Receivers & Conversion Kits Calibers

556NATO 50223 Remington 2322 LR 226MM ARC 15223 Wylde 89MM 4
All Upper Receivers & Conversion Kits Products (159 results)
CMMG Resolute Mk4 AR-15 Complete Upper Receiver 350 Legend 16.1" Barrel - Cmmg
▼ 29%
Cmmg
CMMG Resolute Mk4 AR-15 Complete Upper Receiver 350 Legend 16.1" Barrel
$675.99 $949.95
● In Stock
Advantage Arms Conversion Kit for Glock 17/22 Gen 4 .22 LR 4.49-inch 10Rds with Range Bag - Advantage Arms
▼ 20%
Advantage Arms
Advantage Arms Conversion Kit for Glock 17/22 Gen 4 .22 LR 4.49-inch 10Rds with Range Bag
$227.99 $285
● In Stock
Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK Black - Geissele Automatics
▼ 14%
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
● In Stock
Advantage Arms Mod CA Conversion Kit .22LR Fits Glock Gen 4 G17/Glock Gen 4 G22, Black - Advantage Arms
▼ 29%
Advantage Arms
Advantage Arms Mod CA Conversion Kit .22LR Fits Glock Gen 4 G17/Glock Gen 4 G22, Black
$210.26 $295
● In Stock
Black Rain Ordnance Upper Black .458SOCOM 16-inch - Black Rain Ordnance
▼ 21%
Black Rain Ordnance
Black Rain Ordnance Upper Black .458SOCOM 16-inch
$789.99 $999
● Availability Unknown
FightLite Industries MCR556DFRM Dual Feed Complete Upper Receiver 5.56x45mm 16.25" Barrel M-LOK Handguard - Fightlite
▼ 21%
Fightlite
FightLite Industries MCR556DFRM Dual Feed Complete Upper Receiver 5.56x45mm 16.25" Barrel M-LOK Handguard
$5,508.38 $6,999.99
● In Stock
Nordic Components 22RB AR-15 Complete Upper Receiver 22 Long Rifle 16" Barrel - Nordic Components
▼ 14%
Nordic Components
Nordic Components 22RB AR-15 Complete Upper Receiver 22 Long Rifle 16" Barrel
● In Stock
Advantage Arms Mod Conversion Kit 9mm/.40 S&W/.22LR Fits Glock Gen 1-5 G26/G27, Black - Advantage Arms
▼ 29%
Advantage Arms
Advantage Arms Mod Conversion Kit 9mm/.40 S&W/.22LR Fits Glock Gen 1-5 G26/G27, Black
$281.5 $395
● In Stock
Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black - Battle Arms Development
▼ 10%
Battle Arms Development
Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black
● In Stock
Barrett MRAD Barrel Conversion Kit 6.5 Creedmoor 24 Barrel - Barrett
▼ 20%
Barrett
Barrett MRAD Barrel Conversion Kit 6.5 Creedmoor 24 Barrel
$1,401.48 $1,760
● In Stock
Daniel Defense AR-15 M4A1 FSP Complete Upper Receiver 5.56x45mm 14.5" Pinned Surefire SF3P Flash Hider - Daniel Defense
▼ 20%
Daniel Defense
Daniel Defense AR-15 M4A1 FSP Complete Upper Receiver 5.56x45mm 14.5" Pinned Surefire SF3P Flash Hider
$1,397 $1,751
● In Stock
Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel - Geissele Automatics
▼ 13%
Geissele Automatics
Geissele USASOC URG-I Near Clone AR-15 Complete Upper Receiver 5.56x45mm NATO 14.5" Pinned Barrel
● In Stock
FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black - Fightlite Industries
▼ 16%
Fightlite Industries
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 5 Conversion Kit .22 LR 10 Rounds - Advantage Arms
▼ 29%
Advantage Arms
Advantage Arms Glock 17/22 Gen 5 Conversion Kit .22 LR 10 Rounds
$210.26 $295
● In Stock
Radian Weapons Model 1 Complete Upper Flat Dark Earth .223 Wylde 14.5 Barrel - Radian Weapons
▼ 11%
Radian Weapons
Radian Weapons Model 1 Complete Upper Flat Dark Earth .223 Wylde 14.5 Barrel
● In Stock
Barrett MRAD Conversion Kit .300 PRC with ZCORR Anti-Corrosion Bag - Barrett
▼ 20%
Barrett
Barrett MRAD Conversion Kit .300 PRC with ZCORR Anti-Corrosion Bag
● In Stock
BARRETT MRAD Conversion Kit 300 Norma 26" Black - Barrett
▼ 20%
Barrett
BARRETT MRAD Conversion Kit 300 Norma 26" Black
● In Stock
BATTLE ARMS Authority ELite Upper Recv 5.56 16" AR-15 Black - Battle Arms Development
▼ 10%
Battle Arms Development
BATTLE ARMS Authority ELite Upper Recv 5.56 16" AR-15 Black
● Out of Stock
Rock River Arms AR-15 Tactical Carbine Complete Upper Receiver 458 SOCOM 16" Chrome Moly Barrel 15" M-LOK Handguard Black - Rock River Arms
▼ 16%
Rock River Arms
Rock River Arms AR-15 Tactical Carbine Complete Upper Receiver 458 SOCOM 16" Chrome Moly Barrel 15" M-LOK Handguard Black
$661.61 $790
● In Stock
Rise Armament AR-15 Complete Upper Receiver 6mm ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black - Rise Armament
▼ 30%
Rise Armament
Rise Armament AR-15 Complete Upper Receiver 6mm ARC 18" Barrel 15" M-LOK Handguard Rifle Length Black
● In Stock
Savage Arms Axis, Axis II, 110 Apex, 110 Ultralite Single Shot Sled with Integral Latch Long Action - Savage Arms
▼ 41%
Savage Arms
Savage Arms Axis, Axis II, 110 Apex, 110 Ultralite Single Shot Sled with Integral Latch Long Action
$22.84 $39
● In Stock
Advantage Arms Mod CA Conversion Kit 9mm/.40 S&W/.22LR Fits Glock Gen 1-5 G26/G27, Black - Advantage Arms
▼ 25%
Advantage Arms
Advantage Arms Mod CA Conversion Kit 9mm/.40 S&W/.22LR Fits Glock Gen 1-5 G26/G27, Black
$222.29 $295
● In Stock
BARRETT MRAD Barrel Conversion Kit 338 Lapua 26" 10rd - Barrett
▼ 18%
Barrett
BARRETT MRAD Barrel Conversion Kit 338 Lapua 26" 10rd
● In Stock
BARRETT MK22 Conversion Kit 7.62 x 51/308 Win 20" Coyote - Barrett
▼ 20%
Barrett
BARRETT MK22 Conversion Kit 7.62 x 51/308 Win 20" Coyote
$1,401.48 $1,760
● In Stock
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