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 upper receivers.
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Out of stock
LMT Defense - MRP-H MLOK 16" Complete Upper Receiver Bundle - #BFCLMT-H308M16P
LMT Defense
$2,399.99LMT Defense - MRP-H MLOK 12.5" AR10/AR308 Upper Receiver - #LM308BML1 The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of...$2,399.99 -
Out of stockOn Sale
LMT Defense - AR-15 SPM10 Top End Full Auto BCG - #STE10F
LMT Defense
Now: $842.40Was: $1,049.00Complete top end includes: Standard flattop upper receiver 10.5" chrome lined 1:7†twist 5.56 barrel Full-auto bolt carrier group Tactical charging handle HandguardsNow: $842.40Was: $1,049.00 -
Ruger - Factory Ruger MK IV The Backup Upper 5.5" - #VCSCU-0034
Ruger
$40.00This upper comes equipped with adjustable sights, and its push-button takedown allows for quick and effortless swaps—easier than switching between open sights and an optic. It’s the ideal backup...$40.00 -
Out of stock
Ruger - Factory Ruger MK IV The Bare Bones Upper 5.5" - #VCSCU-0005
Ruger
$40.00This upper is our most budget-friendly option and a DIY enthusiast’s dream. It offers excellent value for those planning to use an optic or customize their barrel length, provided they have a lathe...$40.00 -
Out of stock
Modern Outfitters - Modern Carbine MC5 Complete Upper Receiver 300BLK - USED
Used
$255.00 - $275.00Police trade-in Modern Carbine MC5 Upper Receivers, 16" 300 Blackout available in Good and Blemished. There's also one in FDE. Modern Carbine™ Forged from 7075-T6 Aluminum and CNC Machined to...$255.00 - $275.00 -
Out of stock
Sig Sauer - 7.62x39 PMCX Upper Receiver + Magazine - #PMCX-762R-11B-LT-B-UPPER
Sig Sauer
$1,250.00The MCX-SPEAR LT introduces the much-anticipated 7.62×39 caliber to the MCX lineup. Equipped with a new latch system and an 11.5" threaded barrel the 7.62×39 MCX-SPEAR LT is designed to accommodate a...$1,250.00 -
Out of stock
Sig Sauer - #RMCX-556N-16B-IR-Upper
Sig Sauer
$1,500.00MCX Spear-LT IR is a semi-automatic rifle chambered in .223 Rem and 5.56 NATO. Featuring a 16" barrel, this rifle combines durability and performance in a compact package. The FDE Cerakote finish and...$1,500.00 -
Out of stock
Sig Sauer - #PMCX-762R-11B-LT-Upper
Sig Sauer
$1,350.00The MCX-SPEAR LT introduces the much-anticipated 7.62×39 caliber to the MCX lineup. Equipped with a new latch system, the 7.62×39 MCX-SPEAR LT is designed to accommodate a wide range of 7.62 caliber...$1,350.00 -
Colt - Upper Receiver 223REM/556NATO - SP63528
Colt
$179.99The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. M4 Feed Ramps Forward Assist Upper Receiver$179.99 -
Out of stockOn Sale
Gemtech - Integra M&P15-22 17.5" Barrel Suppressed Upper - #12568
Gemtech
MSRP: $654.00Now: $621.30Was: $654.00Ultimate sound suppression for the M&P15-22 platform is now possible with the new Gemtech Integra 15-22. They have expanded the Integra line and created an experience you have to try to believe. The...MSRP: $654.00Now: $621.30Was: $654.00 -
Out of stockOn Sale
LMT - Barreled Upper - Combo
LMT Defense
Now: $1,774.43Was: $1,991.95Get your AR-15 ready for action with this complete upper combo, bringing together premium components from leading manufacturers to deliver reliability, accuracy, and durability. LMT Defense - MRP-L...Now: $1,774.43Was: $1,991.95 -
Out of stockOn Sale
Suppressor - SLX 5.56MM 11.5IN Upper Receiver SURG - #UAMCXA-SURG-BUNDLE
Sig Sauer
Now: $4,799.99Was: $5,049.94This is a new Sig Sauer MCX-SURG complete suppressed upper receiver chambered for 5.56 NATO bundled with an MCX SPEAR pistol lower receiver. The MCX-SURG Upgrade Kit was specifically engineered as a...Now: $4,799.99Was: $5,049.94