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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
19
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)
Ballistic Advantage BA10 Upper Black .308 Win - Ballistic Advantage
▼ 21%
Ballistic Advantage
Ballistic Advantage BA10 Upper Black .308 Win
● In Stock
Ballistic Advantage Upper Multi-Cal .2795 takedown pin holes - Ballistic Advantage
▼ 20%
Ballistic Advantage
Ballistic Advantage Upper Multi-Cal .2795 takedown pin holes
● In Stock
Ballistic Advantage Upper Multi-Cal - Ballistic Advantage
▼ 27%
Ballistic Advantage
Ballistic Advantage Upper Multi-Cal
● In Stock
MRAD CONVERSION KIT 6.5CR 17 - Barrett
▼ 20%
Barrett
MRAD CONVERSION KIT 6.5CR 17
$1,402.51 $1,760
● In Stock
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 16" MidGas A2 FH - Sons of Liberty Gun Works
▼ 8%
Sons of Liberty Gun Works
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 16" MidGas A2 FH
● Out of Stock
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P/W Plan B FH - Sons of Liberty Gun Works
▼ 8%
Sons of Liberty Gun Works
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P/W Plan B FH
● In Stock
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P/W ASR FH - Sons of Liberty Gun Works
▼ 8%
Sons of Liberty Gun Works
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P/W ASR FH
● In Stock
Fortis Manufacturing Billet M4 Upper 5.56 NATO/.223 Rem Stripped For AR-15 - Fortis Manufacturing
▼ 16%
Fortis Manufacturing
Fortis Manufacturing Billet M4 Upper 5.56 NATO/.223 Rem Stripped For AR-15
● In Stock
WMD Guns AR-15 16" .350 Legend Assembled Upper Receiver w/ M-LOK 15" Handguard - WMD Guns
▼ 19%
WMD Guns
WMD Guns AR-15 16" .350 Legend Assembled Upper Receiver w/ M-LOK 15" Handguard
● In Stock
Radical Firearms Complete Upper Assembly 7.62 X 39 16 Barrel MLOK - Radical Firearms
▼ 30%
Radical Firearms
Radical Firearms Complete Upper Assembly 7.62 X 39 16 Barrel MLOK
$281.92 $399.99
● In Stock
Luth-AR AR-15 Lightweight Upper Receiver 5.56 NATO 16 Barrel - Luth-Ar
▼ 12%
Luth-Ar
Luth-AR AR-15 Lightweight Upper Receiver 5.56 NATO 16 Barrel
● Out of Stock
Ar-15 Stripped Upper Receiver - 5.56x45 Nato Stripped Upper Receiver For Ar-15 Black - Sons Of Liberty Gun Works
▼ 5%
Sons Of Liberty Gun Works
Ar-15 Stripped Upper Receiver - 5.56x45 Nato Stripped Upper Receiver For Ar-15 Black
● In Stock
SOLGW EAST INDIA KIT 16 LFB - Sons of Liberty Gun Works
▼ 9%
Sons of Liberty Gun Works
SOLGW EAST INDIA KIT 16 LFB
● In Stock
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P&W HUXWRX - Sons of Liberty Gun Works
▼ 10%
Sons of Liberty Gun Works
SONS OF LIBERTY GUN WORKS M4-L89 Upper Recvr 5.56 14.5" MidGas P&W HUXWRX
● In Stock
WMD Guns Upper Assembly 16in 300 AAC Blackout NiB-X Nickel Finish - WMD Guns
▼ 16%
WMD Guns
WMD Guns Upper Assembly 16in 300 AAC Blackout NiB-X Nickel Finish
● In Stock
Noveske N4 Chainsaw Stripped Upper Receiver AR-15 Black - Noveske
▼ 7%
Noveske
Noveske N4 Chainsaw Stripped Upper Receiver AR-15 Black
$186.67 $200
● In Stock
Noveske AR-15 N4 Infidel Pinned and Welded Complete Upper Receiver 5.56x45mm NATO 13.7" Barrel NSR-15 M-LOK Handguard Black - Noveske
▼ 8%
Noveske
Noveske AR-15 N4 Infidel Pinned and Welded Complete Upper Receiver 5.56x45mm NATO 13.7" Barrel NSR-15 M-LOK Handguard Black
$1,397.51 $1,525
● Availability Unknown
Radical Firearms Complete Upper Assembly 300BLK 16 MLOK BLK - Radical Firearms
▼ 30%
Radical Firearms
Radical Firearms Complete Upper Assembly 300BLK 16 MLOK BLK
$278.58 $399.99
● In Stock
Chiappa Firearms M4-22 Gen Upper 11.8 10rd - Chiappa Firearms
▼ 24%
Chiappa Firearms
Chiappa Firearms M4-22 Gen Upper 11.8 10rd
$267.58 $350
● Out of Stock
SanTan Tactical STT-15 Lite Pillar Upper Receiver - San Tan Tactical
▼ 13%
San Tan Tactical
SanTan Tactical STT-15 Lite Pillar Upper Receiver
● In Stock
Sharps Bros SBGM16 Echelon Grip Module Black Anodized 7075 Aluminum Frame Cherry Grip - Sharps Bros
▼ 76%
Sharps Bros
Sharps Bros SBGM16 Echelon Grip Module Black Anodized 7075 Aluminum Frame Cherry Grip
$261.56 $1,099
● In Stock
Noveske N4 Recon AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel Black - Noveske
▼ 5%
Noveske
Noveske N4 Recon AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel Black
$1,496.25 $1,575
● Availability Unknown
Radian Weapons Model 1 Complete Upper Gray 6mm ARC 14.5 P&W Barrel - Radian Weapons
▼ 12%
Radian Weapons
Radian Weapons Model 1 Complete Upper Gray 6mm ARC 14.5 P&W Barrel
$1,838.57 $2,079.95
● In Stock
Colt LE6920EPRII-PRO 5.56mm 16.1" Bbl Sights Matte Black Upper Receiver Conversion Kit LE6920-EPRII-PRO-CK - Colt
▼ 22%
Colt
Colt LE6920EPRII-PRO 5.56mm 16.1" Bbl Sights Matte Black Upper Receiver Conversion Kit LE6920-EPRII-PRO-CK
$795.72 $1,019
● In Stock
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