Upper Receivers & Conversion Kits
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BAD WORKHORSE 556 UPPR 16" BLK N/BCG - BAD-WH-UR-16-556
BATTLE ARMS DEVELOPMENT
MSRP: $529.99$499.99Established in 2009, Battle Arms Development, Inc. (B.A.D. Inc.) stands as a distinguished force in the realm of small arms innovation. Nestled in the heart of Henderson, Nevada, their company is driven by a relentless commitment to pushing the...MSRP: $529.99$499.99 -
RADICAL UPPR 556 16" 1-7 MLOK BLK - RAFRF00325
Radical Firearms
MSRP: $474.95$433.99The Radical Firearms 5.56mm upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical...MSRP: $474.95$433.99 -
FORTIS BILLET UPPER RECEIVER - FORTU-BILLET-M4
Fortis Manufacturing, Inc.
MSRP: $199.95$189.99The Fortis Billet Upper is a precision piece, machined from Billet 7075 T6 aluminum. Like Fortis' other products, they designed this upper with function as well as form in mind. Fortis shaved off the ounces where they could without sacrificing rigidity...MSRP: $199.95$189.99 -
ADV ARMS CNV KT26-27G1-5MOD CA 10RD - AAC26-27G1-5MOD-CA
Advantage Arms
$295.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22LR so trips to the range don't break the bank. Or if you want to teach your kid the fun of shooting but don't want him/her to start on the 9mm, a conversion kit is a great learning /...$295.99 -
YHM A3 UPPER RECEIVER ASSY BLK - YHM-100
Yankee Hill Machine Co
MSRP: $142.95$121.99YHM has long been a manufacturer of quality AR-15 Upper Receivers and is very proud to offer their A3 Upper Receivers. These uppers were designed, and are MACHINED 100% IN HOUSE by YHM and are forged from 7075-T6 aluminum. Fit and function with your...MSRP: $142.95$121.99 -
Out of Stock
VLTOR MUR MOD UPPER RCVR BASD BLK - VLTMUR-1AB
VLTOR Weapon Systems
MSRP: $219.95$197.99The MUR is a rigid Mil-Spec flat-top upper made to fit all AR15/M16 M4 rifles and carbines. The MUR was developed to give the customer a Mil-Spec correct upper receiver with a thicker wall, making the MUR upper receiver a stronger platform. This more...MSRP: $219.95$197.99 -
ODIN BILLET UPPER RECEIVER BLACK - ODUPPER-BILLET-ODIN-1
Odin Works
MSRP: $169.00$160.99When accuracy, perfection, and reliability matters ODIN Works Billet Upper will give you a distinct advantage. With its sleek design No Forward Assist and low profile brass deflector it's guarantee to help you stand out in a crowd.Features :For...MSRP: $169.00$160.99 -
LUTH AR A3 UPPER RECEIVER - LUTHFTT-EA
Luth-AR
MSRP: $117.95$110.99Luth-AR stripped .223 Remington receivers are A3 flattop with M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist housing, and ready for an ejection port cover. Precision machined...MSRP: $117.95$110.99 -
BOOTLEG BILLET AR 15 UPPER REC ASSMB - BOOTBP-UR-1A
Bootleg
MSRP: $189.95$179.99The Bootleg AR-15 Upper Receiver is built to last and deliver exceptional performance. They've heard your feedback and taken action to bring you a superior product after the unfortunate circumstances with their previous forging house. The Bootleg Upper...MSRP: $189.95$179.99 -
BLACK RAIN UPPER RECEIVER 223REM BLK - BRO-MUR-2
Black Rain Ordnance
MSRP: $289.00$250.99Black Rain Ordnance, Inc. is a precision rearms manufacturer specializing in the modern sporting rifle design. Founded in 2009 with a benchmark to only manufacture weapons we would personally be proud to own and operate. They've sought out the best...MSRP: $289.00$250.99 -
AERO M5 AR10 ASSEMBLED UPPER KDK BRN - APAR308515AC
Aero Precision
MSRP: $180.00$154.99The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $180.00$154.99 -
SANTAN STT-15 PILLAR UPPER RECEIVER - STTPILLAR1
San Tan Tactical
MSRP: $210.00$206.99The STT PILLAR upper receiver is the lightest billet upper available today! STT wanted to create something better, something different. Being better was not enough -- STT needed to design an upper that overcame the shortcomings seen in the current...MSRP: $210.00$206.99 -
Out of Stock
SPIKE'S FLAT TOP UPPER 9MM BLK - SPKSFT902D
Spike's Tactical
MSRP: $115.00$103.99Spikes Tactical's mission is simple, Spikes strives to build the highest quality products and offer them at the best possible price to the consumer. It doesn't matter if you are simply a gun enthusiast, a competitive 3 gun shooter or a military or law...MSRP: $115.00$103.99 -
Out of Stock
NOVESKE CHAINSAW N4 STRIPPED UPPER - NV03002689
Noveske
$200.99The Noveske Chainsaw N4 Stripped AR-15 Upper Receiver is a high-quality upper receiver built for durability and performance. Forged from 7075-T6 aluminum for strength, it features extended feed ramps and a hardcoat Type III anodizing finish for corrosion...$200.99 -
NORDIC 16" .22LR COMPLETE UPPER 10RD - NC22RB-UPPER-16-KIT
Nordic Components
MSRP: $610.00$549.99Nordic Components' 22RB dedicated 22 upper receiver converts your standard AR-pattern lower to a dedicated .22LR for recreational shooting, training, and hunting. The 22RB is manufactured using the same materials as most standard AR15 rifles, ensuring...MSRP: $610.00$549.99 -
Out of Stock
LANTAC UAR 7075T6 BILLET UPPER - LANLA00221
LanTac USA LLC
MSRP: $254.99$229.99The patent pending SMOOTHCAM(TM) system features a domed head, low friction cam pin and special upper receiver that offer ultra smooth operation. With its blended cam recess the UAR upper is machined from Billet 7075-T6 certified aluminum and milspec, ...MSRP: $254.99$229.99 -
LUTH AR UPPER RCVR ASMB W/CHARG HNDL - LUTHFTT-EA1
Luth-AR
MSRP: $149.95$140.99Start your new build with a Luth-AR .223/5.56 A3 Flattop Upper Receiver comes fully assembled with an M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist, and ejection port cover...MSRP: $149.95$140.99 -
LUTH AR 308 UPPER RECEIVER - LUTH308-FTT-EA
Luth-AR
MSRP: $159.99$150.99The Luth name is synonymous with Experience, Expertise, Knowledge, Innovation, and has been a driving force in the firearm industry for close to 40 years. Starting as a machinist 40 years ago Randy Luth founded D.P.M.S. / Panther Arms and grew the...MSRP: $159.99$150.99 -
LUTH AR A2 ASSEMBLED UPPR RECVR N/CH - LUTHUR-A2-A
Luth-AR
MSRP: $214.95$202.99The LUTH AR assembled A2 upper receiver features the A2 carry handle style, complete with A2 rear sight (windage and elevation). Features shell deflector, forward assist, and an ejection port cover. Precision machined from a premium-grade 7075 T6...MSRP: $214.95$202.99 -
LUTH AR A1 ASSEMBLED UPPER RECEIVER - LUTHUR-01A
Luth-AR
MSRP: $199.95$187.99Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a black hard coat anodized, tough...MSRP: $199.95$187.99 -
Out of Stock
COLT M4 UPPER BLK - CTSP63528
Colt's Manufacturing
$179.99The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.Features :M4 Feed RampsForward AssistUpper Receiver$179.99 -
AERO CMPLT UPPER 5.56 16" MOE FDE - APAR502506M65
Aero Precision
MSRP: $460.00$414.99This AR15 Complete Upper features a 16" 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.Features :Upper: Standard AR15 Upper Receiver"Barrel: 16" 5.56 Carbine Barrel with Pinned FSB"Handguard: Magpul MOE HandguardGas System: Mid-Length...MSRP: $460.00$414.99 -
AERO M4E1 ASSEMBLED UPPER BLACK - APAR700201AC
Aero Precision
MSRP: $175.00$159.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$159.99 -
AERO M4E1 ASSEMBLED UPPER ODG - APAR700220AC
Aero Precision
MSRP: $175.00$159.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$159.99 -
ADV ARMS CONV KIT AAC19-23G3MOD - AAC19-23G3MOD
Advantage Arms
$395.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 19/23 Gen 1-3 and includes two 15 round magazines, a 4.02" threaded barrel, a range bag, and a...$395.99 -
BALLISTIC BA ENHCD AR 15 UPPR RCVR - BAPA100084
Ballistic Advantage
MSRP: $175.00$159.99AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.Features :Threaded Forward Assist Roll PinM4 Feedramps.2795 takedown pin holesLaser...MSRP: $175.00$159.99 -
AERO COMPLETE UPPER 5.56 20" A2 BLK - APAR505611
Aero Precision
MSRP: $565.00$509.99This AR15 Complete Upper is the same upper receiver used in the AERO M16A4 Special Edition Complete Rifle and features a 20" 5.56 Barrel with Pinned FSB, A2 Handguard and A2 Detachable Carry Handle.Features :Upper: Standard M4 Upper Receiver"Barrel: 20"...MSRP: $565.00$509.99 -
AERO M4E1-T UPPER 5.56 16" BLK - APAR700305M7
Aero Precision
MSRP: $655.00$589.99This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable...MSRP: $655.00$589.99 -
ADV ARMS 22LR CONV KIT PSA DAGGER CA - AACDAG-C-MOD-CA
Advantage Arms
$285.99Advantage Arms Conversion Kit: Convert your Palmetto Dagger Compact down to 22lr so trips to the range don't break the bank. The MOD-CA series is meant to fit your Palmetto Dagger Compact and includes two 10 round magazines, a range bag, and a recessed...$285.99 -
ADV ARMS CONV KIT AAC17-22G3MOD-CA - AAC17-22G3MOD-CA
Advantage Arms
$295.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 17/22 Gen 1-3 and includes two 10 round magazines, a 4.49" barrel, a range bag, and a recessed cut...$295.99 -
ADV ARMS CONV KIT FOR LE19-23 G4/BAG - AACG19-23G4
Advantage Arms
$285.99Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock.Features :Adjustable sightsLast round lock open30 second installation1 year factory...$285.99 -
ADV ARMS CONV KIT FOR LE17-22 G5/BAG - AAC17-22G5
Advantage Arms
$285.99Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock.Features :Adjustable sightsLast round lock open30 second installation1 year factory...$285.99 -
BALLISTIC BA AR 15 UPPR RCVR - BAPA100049
Ballistic Advantage
MSRP: $140.00$124.99AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.Features :M4 Feedramps.250 takedown pin holesLaser engraved T-marksAR15 Assembled Upper...MSRP: $140.00$124.99 -
ADV ARMS CONV KIT FOR LE17-22 W/BAG - AAC17-22G3
Advantage Arms
$285.99Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock.Features :Adjustable sightsLast round lock open30 second installation1 year factory...$285.99 -
Out of Stock
AERO M4E1 ASSEMBLED UPPER FDE - APAR700202AC
Aero Precision
MSRP: $195.00$174.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $195.00$174.99 -
Out of Stock
AERO CMPLT UPPER 5.56 16" MOE BLK - APAR502505M65
Aero Precision
MSRP: $460.00$414.99This AR15 Complete Upper features a 16" 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.Features :Upper: Standard AR15 Upper Receiver"Barrel: 16" 5.56 Carbine Barrel with Pinned FSB"Handguard: Magpul MOE HandguardGas System: Mid-Length...MSRP: $460.00$414.99 -
ADV ARMS CONV KIT AAC19-23G3MOD-CA - AAC19-23G3MOD-CA
Advantage Arms
$295.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 19/23 Gen 1-3 and includes two 10 round magazines, a 4.02" barrel, a range bag, and a recessed cut...$295.99 -
ADV ARMS CONV KIT TGT 1911 22LR W/BG - AAC191122T
Advantage Arms
$399.99Convert your 1911 into a .22 or with an Advantage Arms conversion kit. Advantage Arms 1911 Target Conversion Kit is Advantage Arms most accurate conversion kit. The barrel is fixed solid to the frame with the sights mounted to the barrel. Accuracy is...$399.99 -
Out of Stock
AERO M4E1 ASSEMBLED UPPER KODIAK BRN - APAR700222AC
Aero Precision
MSRP: $175.00$159.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$159.99 -
ADV ARMS CONV KIT FOR LE19-23 G5/BAG - AACG19-23G5
Advantage Arms
$285.99Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock.Features :Adjustable sightsLast round lock open30 second installation1 year factory...$285.99 -
ADV ARMS CONV KIT AAC19-23G5MOD-CA - AAC19-23G5MOD-CA
Advantage Arms
$295.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 19/23 Gen 5 and includes two 10 round magazines, a 4.02" barrel, a range bag, and a recessed cut...$295.99 -
ADV ARMS CONV KIT FOR LE19-23 W/BAG - AACG19-23G3
Advantage Arms
$285.99Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock.Features :Adjustable sightsLast round lock open30 second installation1 year factory...$285.99 -
AERO M5 AR10 ASSEMBLED UPPER ODG - APAR308631AC
Aero Precision
MSRP: $180.00$154.99The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $180.00$154.99 -
BALLISTIC BA10 UPPR RCVR - BAPA100091
Ballistic Advantage
MSRP: $215.00$194.99BA10 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to DPMS Gen1 specifications and features M4 feedramps.Features :DPMS Gen1 Pattern, Will Not Work with AR15 Components Threaded Forward Assist Roll...MSRP: $215.00$194.99 -
ADV ARMS CONV KIT AAC17-22G3MOD - AAC17-22G3MOD
Advantage Arms
$395.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 17/22 Gen 1-3 and includes two 15 round magazines, a 4.49" threaded barrel, a range bag, and a...$395.99 -
ADV ARMS CONV KIT FOR LE20-21 W/BAG - AACLE20-21
Advantage Arms
$285.99Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock. Does not fit Gen 4 Glocks.Features :Adjustable sightsLast round lock open30 second...$285.99 -
ADV ARMS CONV KIT AAC19-23G5MOD - AAC19-23G5MOD
Advantage Arms
$395.99Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 19/23 Gen 5 and includes two 15 round magazines, a 4.02" threaded barrel, a range bag, and a...$395.99