Lower & Upper Receivers

Build your AR-15, AR-10, or precision long-range rifle exactly how you want it. Shop our high-quality stripped and complete lower and upper receivers, matched receiver sets, and enhanced buffer systems.

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LMT Defense - Rail Mounted M203 Receiver + M203 9" Barrel Bundle - L2B1-LMP380

$2,341.00

LMT Defense
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LMT Defense - Rail Mounted M203 Receiver - L2B1

$1,616.40
$1,743.00

LMT Defense
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Ruger - Standard Ruger MK IV Upper 6" Barreled Receiver .22 LR - #VCSCU‑0008

$30.00

Ruger
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VLTOR - Modular Upper Receiver - MUR-1A

$242.96
$269.95

Vltor Weapon Systems
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LMT Defense - Flat Top Upper Receiver - L7D1A

$211.50

LMT Defense
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Colt 11.5" Upper FSP w/ Daniel Defense Omega 2.0 Rail, Bootleg Inc BCG - (Police Trade-In)

$650.00

Colt
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Colt 11.5" Upper FSP w/ Daniel Defense Omega 2.0 Rail - (Police Trade-In)

$650.00

Colt
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Colt LE6946CK 10.5" Complete Upper - Police Trade-In

$850.00

Colt
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LWRC Enhanced Lower Receiver #ICL5B + (5) Free Magpul PMAG Magazines - #ICL5B-MAG-BUN

$773.75

LWRC
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LMT Defense - MRP-L MLOK 12.5" Specwar Complete Upper Receiver Bundle - #BFCLMTSPEC

$1,799.99
$1,989.00

LMT Defense
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LMT Defense - 10.5" 300 Blackout MLOK Complete Upper Receiver Bundle - #BFCLMT-302

$1,488.68
$1,954.99

LMT Defense
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LMT Defense - 10.5" 300 Blackout CQB Complete Upper Receiver Bundle - #BFCLMT-301

$1,488.68
$1,954.99

LMT Defense
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LMT Defense - 12" Piston Shovelnose Complete Upper Receiver Bundle - #BFCLMT-201

$2,382.99

LMT Defense
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LMT Defense - MRP-L MLOK 11.5" Complete Upper Receiver Bundle - #BFCLMT-205

$1,954.99

LMT Defense
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LMT Defense - MRP-H MLOK 16" Complete Upper Receiver Bundle - #BFCLMT-H308M16P

$2,399.99

LMT Defense
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BCM - Lower Receiver Group w/MK2RMS-M1T & Stock Mod-0 Blk - #LRG-RMS-STK-MOD-0-BLK

$494.00

BCM
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BCM - Lower Receiver w/MK2RMS-M1T0 & Stock Mod-1-SOPMOD Blk - #LRG-RMS-STK-MOD-1-SPMD-BLK

$469.00

BCM
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BCM - Complete Widebody Lower Receiver w/MOD-2-SOPMOD Stock - #LRG-STK-MOD-2-SPMD-BLK

$535.00

BCM
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LMT Defense - AR-10 Lower MARS-H Complete w/ EU Trigger - #LM308AM-EU

$1,349.00 $1,323.00

LMT Defense
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LMT Defense - AR-15 SPM10 Top End Full Auto BCG - #STE10F

$1,049.00 $842.40

LMT Defense
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Ruger - Factory Ruger MK IV The Backup Upper 5.5" - #VCSCU-0034

$40.00

Ruger
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Ruger - Factory Ruger MK IV The Bare Bones Upper 5.5" - #VCSCU-0005

$40.00

Ruger
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Sig Sauer - 7.62x39 PMCX Upper Receiver + Magazine - #PMCX-762R-11B-LT-B-UPPER

$1,250.00

Sig Sauer
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Colt - Upper Receiver 223REM/556NATO - SP63528

$179.99

Colt
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Gemtech - Integra M&P15-22 17.5" Barrel Suppressed Upper - #12568

$654.00 $621.30
$654.00

Gemtech
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LMT - Barreled Upper - Combo

$1,991.95 $1,774.43

LMT Defense
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BCM - Complete Widebody Lower Receiver w/MOD-2-SOPMOD Stock - FDE #LRG-STK-MOD-2-SPMD-FDE

$409.99

BCM
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LWRC - Enhanced Lower Receiver - Black - ICEL5B

$699.99

LWRC
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Suppressor - SLX 5.56MM 11.5IN Upper Receiver SURG - #UAMCXA-SURG-BUNDLE

$5,049.94 $4,799.99

Sig Sauer
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Suppressor - SLX 5.56MM 11.5IN Upper Receiver SURG - #UAMCXA-SURG

$4,599.99 $4,099.99
$4,599.99

Sig Sauer
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Stern Defense - MOD4 9MM LUGER 4” Complete Upper Receiver Glock - Black #SD4INMOD4MLOK4INBBL9MM

$475.00 $436.21

Stern Defense
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Sig Sauer - MCX SPEAR-LT Complete Lower #MCX-Lower

$1,250.00

Sig Sauer
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Ruger - Standard MK IV Stubby Pencil Profile 4.5” Barreled Receiver .22 LR - VCSCU‑0037

$30.00

Ruger
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LMT Defense - AR10 Lower MARS-H Complete - LM308AM

$1,363.50
$1,470.00

LMT Defense
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Radian Weapons - AX556 - Stripped Billet Lower FDE - #R0390

$514.95

Radian Weapons
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Radian Weapons - AX556 - Stripped Billet Lower ODG - #R0391

$514.95

Radian Weapons
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Fostech Origin-12 SBS Complete Upper Receiver - 12GA 7009

$1,197.13 $920.00

Fostech
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Daniel Defense - DDMK18 URG 5.56x45mm NATO Complete AR-15 Upper Receiver - 23-004-08013-011

$1,454.00

Daniel Defense
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Sons of Liberty Gun Works - M76 9.5" M-LOK Wedge Lock Rail - M76-9.5

$315.00

Sons of Liberty Gunworks
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Sons of Liberty Gun Works - Scalper Stripped AR-15 Lower Receiver

$145.00 $137.75
$145.00

Sons of Liberty Gunworks
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Sons of Liberty Gun Works - Angry Patriot Semi-Automatic Stripped Lower Receiver - .223/5.56 NATO - #ANGRYPATRIOT

$145.00 $137.75
$145.00

Sons of Liberty Gunworks
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Sons of Liberty Gunworks - M76 10.5" M-LOK Wedge Lock Rail - #M76-10.5

$320.25

Sons of Liberty Gunworks
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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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LMT Defense - Complete MARS-L SOPMOD Lower Receiver - M7DA4

$969.30

LMT Defense
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LMT Defense - Classic M203 Receiver - LMP300E

$1,413.90
$1,525.00

LMT Defense
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Daniel Defense .223REM/5.56NATO Lower Receiver Parts Kit - 05-013-21007

$122.00
$127.00

Daniel Defense
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Knights Armament - SR-15 Lower Receiver Assembly 5.56 NATO - #25780

$1,060.29

Knights Armament Company
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LMT Defense - MARS-H DMR MWS Lower Receiver AR10 - #LM308AMD

$1,413.90
$1,525.00

LMT Defense
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LMT Defense - Defender-H Stripped .308 Lower Receiver - #LM308A1

$352.35
$380.00

LMT Defense
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LMT Defense - MARS-L Stripped AR15 Lower Receiver - R-M7SL

$352.35
$380.00

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

$65.00

Ruger
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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 - 5.56NATO Stripped Lower Receiver - #LOYAL9

$145.00 $137.75

Sons of Liberty Gunworks
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Sons of Liberty Gun Works - Complete M4 Lower Receiver - .223/5.56 NATO - #M4LOWERLFTA5BRAVO

$522.50
$550.00

Sons of Liberty Gunworks
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Sons of Liberty Gun Works - Mil-Speclower 223REM/556NATOComplete Lower Receiver #MIL-SPECLOWER

$450.00

Sons of Liberty Gunworks
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Sons of Liberty Gun Works AR-15 "Stripes" Lower Receiver #STRIPES

$145.00 $137.75

Sons of Liberty Gunworks
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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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LMT Defense - MRP-L Compact Length AR-15 Upper Receiver - M-LOK - 7.25" - L7NX1A

$890.10

LMT Defense
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Sons of Liberty Gun Works - AR-15 billet Ambi Lower Receiver - #FCD-AMBI-LR

$330.00 $312.50

Sons of Liberty Gunworks
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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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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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BCM - Semi-Auto Complete AR Lower Receiver 223 Rem/556 NATO - LRG-STK-MOD-0-BLK

$475.00 $395.00

BCM
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BCM - Semi-auto Complete Lower Receiver 223REM/556NATO - LRG-STK-MOD-0-SPMD-FDE

$475.00 $395.00

BCM
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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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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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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 - Shorty 40 Receiver - L2X1

$1,616.40
$1,743.00

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

$2,069.00

Heckler & Koch
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Knights Armament - SR-25 Upper Receiver - 20" - 111472

$4,331.25 $4,114.69

Knights Armament Company
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Knights Armament - SR-25 Lower Receiver Assembly 7.62 NATO - No stock - #116858

$1,689.19 $1,604.73

Knights Armament Company
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Knights Armament - SR-30 Lower Receiver Semi-Auto .300 Blackout - #31742

$1,060.29 $1,007.82

Knights Armament Company
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Knights Armament - SR-15 Complete Upper Mod 2 5.56 NATO - 16" - 31962

$2,120.58 $2,014.55

Knights Armament Company
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Knights Armament - SR-15 CQB Upper Receiver - 11.5" - #31963

$2,198.54 $2,088.62

Knights Armament Company
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FN America - SCAR 16S 10" .223/5.56 Complete Barrel Assembly - 98802

$1,499.00 $1,299.00

FN America
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FN America - SCAR 17S .308/7.62 13" Complete Barrel Assembly - 98814

$1,729.00 $1,499.00

FN America
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LMT Defense - MARS-H Stripped AR10 Lower Receiver - #LM308AMSL

$545.40
$588.00

LMT Defense
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LMT Defense - MARS-L DMR Complete AR15 Lower Receiver - M7DM4

$1,100.00

LMT Defense
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LMT Defense - MARS-L PDW Complete AR15 Lower Receiver - M7DA4SH

$1,019.70

LMT Defense
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LMT Defense - Defender-L Stripped Lower Receiver - #LMP149H

$180.90 $175.50
$195.00

LMT Defense
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LMT Defense - 16" Barreled Upper Receiver .223/5.56mm AR15 - L7UB1

$706.50 $685.80

LMT Defense
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LMT Defense - 14.5" .223/5.56mm AR15 Upper Receiver - L7D1

$706.50 $685.80

LMT Defense