Upper Receiver

Find the exact complete or stripped AR-15 upper receiver for your next build. We stock forged and billet uppers, cold hammer-forged barrels, low-profile gas blocks, and advanced bolt carrier groups (BCGs) engineered for extreme reliability and sub-MOA accuracy.

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Sons of Liberty Gunworks - M76 15" M-LOK Wedge Lock Rail - M76-15

$345.00

Sons of Liberty Gunworks
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Surefire - 4-Prong Flash Hider - 5.56mm - 1/2x28mm - FH556RC-1/2-28

$199.00 $179.00
$199.00

Surefire
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Surefire - Warden 5.56/7.62 Blast Regulator for SOCOM Muzzle Device - WARDEN-DE

$329.00 $296.00
$329.00

Surefire
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AB Suppressor - Raptor Muzzle Thread Adapter - TA-1/2-28

$26.00

AB Suppressor
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LMT Defense - Ambidextrous Charging Handle Assembly - .308 - #R-LM308CB

$150.30 $145.80

LMT Defense
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LMT Defense - 5.56 Enhanced Full-Auto Bolt Carrier - R-L7Q3A

$221.85
$239.00

LMT Defense
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Heckler & Koch - MR762 M-LOK Handguard Black - 51000224

$257.00

Heckler & Koch
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Sons of Liberty Gun Works - NOX Flash Hider 7.62mm/30 Caliber - #NOX-300

$115.00

Sons of Liberty Gunworks
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Radian Weapons - Raptor Ambidextrous AR15 Charging Handle - R0001

$104.95

Radian Weapons
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Surefire Warden Fast-Attach 5.56/7.62 Blast Regulator - Non-NFA, Cerakote Finish

$329.00 $296.00
$329.00

Surefire
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Surefire - Warcomp 5.56 Closed Tine Birdcage - WARCOMP-556-CTN-1/2-28

$169.00 $152.00

Surefire
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LMT Defense - Carbine Length AR15 Polymer Handguard Set - LMP154G

$66.30

LMT Defense
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LMT Defense - 5.56 Gen 2 Enhanced Piston Full-Auto Bolt Carrier Group - L7D3CPE

$425.70
$468.00

LMT Defense
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LMT Defense - Standard 5.56 Full-Auto Bolt Carrier Group - #R-L7D3

$304.20

LMT Defense
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LMT Defense - MRP-L Quad Rail 13.25" AR15 Upper Receiver - L7RA1A

$940.50

LMT Defense
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LMT Defense - MRP-L Quad Rail 9.25" AR15 Upper Receiver - L7S1A

$890.10

LMT Defense
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LMT Defense - MRP-L MLOK 13.25" AR15 Upper Receiver - L7Y1A

$940.50

LMT Defense
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LMT Defense - MRP-L MLOK 11.5" Specwar - AR15 Upper Receiver - L7Z1A

$940.50

LMT Defense
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Surefire Warcomp 7.62 5/8x24 Flash Hider/Suppressor - WARCOMP-762-5/8-24

$169.00 $152.00
$169.00

Surefire
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LMT Defense - Tactical Charging Handle Assembly - AR15 - LMP103T

$90.00
$97.00

LMT Defense
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LMT Defense - Ambidextrous AR15 5.56 Charging Handle - R-LMP103TA

$100.35
$108.00

LMT Defense
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KAC Knight's Armament SR-15 URX-6 Notched Handguard, 10.5" 122025

$287.28

Knights Armament Company
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VLTOR MUR-1A Modular Upper Receiver-KG Gun-Kote MUR-1A-KG-B

$242.96

Vltor Weapon Systems
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LMT Defense MRP-L MLOK 10.5" Complete Upper Receiver Bundle LMTMLOKS10.5AS

$1,625.00

LMT Defense
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LMT Defense MRP-L Quad Rail 10.5" Complete Upper Receiver Bundle #LMTQuadS10.5AS

$1,625.00

LMT Defense
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LMT Defense MRP-L Quad Rail 13.25" AR15 Complete Upper Receiver LMTQuadL16AS

$1,700.00

LMT Defense
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LMT Defense MRP-L MLOK 16" Complete Upper Receiver Bundle #LMTMLOKL16AS

$1,700.00

LMT Defense
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VLTOR MUR-1A Modular Upper Receiver w/ Bolt Assist Tan MUR-1A-T

$242.96

Vltor Weapon Systems
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KAC Knights Armament Company - URX6 Tool Kit for SR-25/SR-15 #122659

$702.24

Knights Armament Company
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LMT Defense MRP-L M-LOK 9.25" "Grenadier" Upper Receiver L7SXG1A

$940.50

LMT Defense
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LMT Defense MRP-L M-LOK 9.25" "Hybrid" Upper Receiver L7SX1A

$940.50

LMT Defense
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Ruger 10/22 Stripped Aluminum Receiver VCSCU-0130

$65.00

Ruger
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FCD Forward Controls Design Ambidextrous Charging Handle LPVO #ACF-L

$118.75

Forward Controls Design, Inc
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Magpul Industries M-LOK Aluminum 3 Slot Rail Section MAG580-BLK

$18.00

Magpul Industries
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Dead Air Armament Key Mount Muzzle Brake 45 Caliber 5/8x24 DA161

$75.00

Dead Air Armament
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Dead Air Armament Xeno Flash Hider 5/8x24 DA122

$75.00

Dead Air Armament
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LanTac USA M-Spec Carbine Gas Tube 01-MSPEC-GT-CRBN

$18.99

LanTac
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LMT Defense- Purchase the MRP-L MLOCK 11.5" Shovelnose AR15 Upper Receiver #L7ZN2A get the Lower Receiver #M7SL for FREE

$1,045.00

LMT Defense
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LMT Defense- Purchase the MRP-L MLOK 11.5" Specwar AR15 Upper Receiver #L7Z1A get the Lower Receiver #M7SL for FREE

$1,045.00

LMT Defense
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LMT Defense- Purchase the MRP-L Quad Rail 13.25" AR15 Upper Receiver #L7RA1A get the Lower Receiver #M7SL for FREE

$1,045.00

LMT Defense
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LMT Defense- Purchase the MRP-L Quad Rail 9.25" AR15 Upper Receiver #L7S1A get the Lower Receiver #M7SL for FREE

$989.00

LMT Defense
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LMT Defense- Purchase the MRP-L Compact Length MLOK 7.25" AR15 Upper Receiver #L7NX1A get the Lower Receiver #M7SL for FREE

$989.00

LMT Defense
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LMT Defense- Purchase the MRP-L MLOK 9.25" AR15 Upper Receiver #L7X1A get the Lower Receiver #M7SL for FREE

$989.00

LMT Defense
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LMT Defense- Purchase the MRP-L MLOCK 13.25" AR15 Upper Receiver #L7Y1A get the Lower Receiver #M7SL for FREE

$1,045.00

LMT Defense
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Ruger - 10/22 Stripped Aluminum Receiver - SCU-0129

$65.00

Ruger
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LMT Defense 5.56 Full Auto Piston Bolt Carrier Group - L7D3CP

$468.00

LMT Defense
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LMT Defense - .308 Piston Bolt Carrier Group - R-LM308DPS

$706.50
$762.00

LMT Defense
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VLTOR - MPX 12” Handguard w/MLock System - #VWS-MPX-12

$209.95 $188.96

Vltor Weapon Systems
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VLTOR - Extended Length AK47 Handguard W/ M-LOK System - #CMRD-AKM-E

$188.99

Vltor Weapon Systems
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SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 14.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-14-5-CHF-556

$546.25
$575.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 12.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-12-5-CHF-556s

$546.25
$575.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - EAST INDIA STARTER KIT - 11.5” BARREL COMPLETE UPPER RECEIVER - 5.56 NATO - #EIC-14-5-CHF-556

$546.25
$575.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - STRIPPED UPPER RECEIVER - HARDCOAT TYPE III ANODIZED - UPPER-STRIPPED

$150.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - NOX FLASH HIDER - 7.62X39 - THREADED 14X1 LH - #NOX-AK-14X1-300

$109.25
$115.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - NOX MUZZLE BRAKE - 9MM/5.56 NATO - #NOXSC-556

$109.25
$115.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - NOX FLASH HIDER - .223/5.56 NATO - 9 PORTS - #NOX9-556

$109.00
$115.00

Sons of Liberty Gunworks
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SONS OF LIBERTY GUN WORKS - NOX FLASH HIDER - 223 REMINGTON/556 NATO - #NOX-556

$109.00
$115.00

Sons of Liberty Gunworks
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Sons of Liberty Gun Works - Liberty Charging Handle 5.56NATO - #LCH-5.56

$100.00

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Daniel Defense - DDM4 300 S Complete Upper 300 Blackout 10.3" Barrel - #23-088-19020-047

$1,405.00 $1,307.00

Daniel Defense
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Aero Precision - M5 Stripped AR10 Upper Receiver - #APAR308503C

$180.00

Aero Precision
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Knight's Armament - 6-Rib Picatinny Rail Panel - Black - #97168

$27.99 $26.59

Knights Armament Company
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LMT Defense - MRP-L Compact Length AR-15 Upper Receiver - M-LOK - 7.25" - L7NX1A

$890.10

LMT Defense
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Troy - Gas Block .875" Black - #SGAS-875-00BT-00

$45.00

Troy
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Ergo - .750 Low-Pro Adjustable Gas Block - #4822

$51.99 $43.25

Ergo Grip
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Gemtech - Complete Upper Receiver 5.56NATO 16.1" - 13833

$839.00
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Colt - Complete Upper 223 Rem/556NATO 16" - LE6920EPR-CK

$1,049.00

Colt
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Knight's Armament - 4 Rib Rail Panel - Black - 97166

$27.99 $26.59
$27.99

Knights Armament Company
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LMT Defense - MWS .308 M-LOK Upper Receiver - 15.3" - LM308BML4A

$1,413.90 $1,372.50
$1,525.00

LMT Defense
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Knight's Armament - SR-25 URX 3.1 Forend Assembly 13.5" - 30259

$515.84

Knights Armament Company
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Knights Armament - SR-25 URX Wrench - 23383

$399.22 $379.25

Knights Armament Company
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Daniel Defense - DDM4V7 S 5.56 NATO Complete Upper Receiver - 23-128-00275-047

$1,263.00 $1,174.00

Daniel Defense
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Knight's Armament - M4/M5 RAS Hardware Kit - 30450

$34.92 $33.17

Knights Armament Company
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Knights Armament - 7-Piece 7.62 Muzzle Device Shim Set - 30130

$36.45 $34.62

Knights Armament Company
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Knights Armament - 7.62MM QDC Flash Suppressor Kit - 112954

$187.11 $177.75

Knights Armament Company
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Knights Armament - 762QDC Flash Hider 7.62 NATO - 1/2X28 - 111583

$129.94 $123.44

Knights Armament Company
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Knights Armament - QD FLASH HIDER - 1/2"-28 - #93048

$120.06 $114.06
$120.06

Knights Armament Company
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Knights Armament - Piston Assembly - USP Tactical M16x1 LH - 22500

$774.00 $735.30
$774.00

Knights Armament Company
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Knights Armament - SR-25 PC Upper Receiver M-LOK - 16" - 111474

$4,331.25 $4,114.69

Knights Armament Company
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Knights Armament - SR-25 7.62 E2 M-LOK Upper Receiver - 14.5" - #111468

$4,331.25 $4,114.69

Knights Armament Company
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Knights Armament - Upper Receiver Kit SR-30 MOD 2 - 9.5" - 32310

$2,433.12 $2,311.47

Knights Armament Company
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Knights Armament - Upper Receiver SR-15 MOD 2 URX 4 M-LOK 5.56 mm NATO 18" - 32309

$2,433.12 $2,311.47

Knights Armament Company
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Knight Armament - 5.56 QDC 3-Prong Flash Suppressor Kit - 1/2"-28 TPI - 30555

$129.96

Knights Armament Company
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Knights Armament - SR-15 Carbine Mod2 Complete Upper - 14.5 E3 Mod 2 - #31949

$2,198.54 $2,088.62

Knights Armament Company
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LMT Defense M203 Quadrant sight, Rail Mounted

$444.15 $387.90

LMT Defense
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LMT Defense - M203 Leaf Sight Handguard Mounted - 8448330

$180.90 $175.50

LMT Defense
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LMT Defense - Full-Auto 5.56 Bolt Carrier - L7D3A

$224.55

LMT Defense
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LMT Defense - Semi-Auto 5.56 Bolt Carrier - L7A3A

$119.70 $116.10

LMT Defense
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LMT Defense - .308 Semi-Auto Bolt Carrier Group - #LM308D

$575.10 $558.00

LMT Defense
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LMT Defense - Full-Auto Piston 5.56 Bolt Carrier G2 - #R-L7Q3APE

$261.45
$282.00

LMT Defense
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LMT Defense - MRP Rifle Length Gas Tube - LM308B2E

$34.47

LMT Defense
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LMT Defense - MRP Mid Length Gas Tube - L7S1B3

$34.47 $33.39

LMT Defense
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LMT Defense - MRP Carbine Length Gas Tube - L7MA1B3

$34.47 $33.39

LMT Defense
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LMT Defense - MRP Pistol Length Gas Tube - L7S1B3BRA

$34.47 $33.39

LMT Defense
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LMT Defense - 2 Position Piston Plug - R-L7S1B6CF

$49.59 $48.06

LMT Defense
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LMT Defense - Estonia 5.56 QD Muzzle Device - L8FH3P556E

$69.75 $67.68

LMT Defense
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Heckler & Koch - MR556 Complete Upper Receiver Kit - 81000584

$2,069.00

Heckler & Koch

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