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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Thunder Beast - CB Series .223 CAL Flash Hider - 1/2X28 223CB-FH:1/2X28
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .223 Caliber Flash Hider with 1/2x28 threads (223CB-FH:1/2X28) serves as the flash-suppressing host adapter for Thunder Beast's CB (Collet Brake) quick-detach...$125.00 -
Thunder Beast - CB Series .30 CAL Flash Hider - 5/8X24 30CB-FH:5/8-24
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .30 Caliber Flash Hider with 5/8x24 threads (30CB-FH:5/8-24) is the flash-hiding host adapter for Thunder Beast's CB (Collet Brake) quick-detach suppressor system,...$125.00 -
Thunder Beast - CB Series .223 CAL Non-Timed Muzzle Brake - 1/2X28 223CB-NTB:1/2-28
Thunder Beast Arms Corp
$125.00The Thunder Beast Arms CB Series .223 Caliber Non-Timed Muzzle Brake with 1/2x28 threads (223CB-NTB:1/2-28) is the host adapter and muzzle device for Thunder Beast's CB (Collet Brake) quick-detach...$125.00 -
Sons of Liberty Gun Works - 5.56 158 Carpenter BCG - #SOLGWBCG556
Sons of Liberty Gunworks
$179.99If you're building an AR-15 meant to endure harsh conditions and perform beyond Mil-Spec standards, the Sons of Liberty Gun Works (SOLGW) Bolt Carrier Group is the go-to choice. Engineered with...$179.99Qty in Cart: 0Quantity:Price:$179.99Subtotal: -
On Sale
Surefire - Warcomp 5.56 Flash Hider Silencer Adapter - WARCOMP-556-1/2-28
Surefire
MSRP: $169.00Now: $152.00Was: $169.00The SureFire WARCOMP 5.56 Flash Hider/Suppressor Adapter (WARCOMP-556-1/2-28) is SureFire's flagship muzzle device for AR-platform 5.56mm rifles. It functions simultaneously as a highly effective...MSRP: $169.00Now: $152.00Was: $169.00 -
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 -
Out of stockOn Sale
LMT Defense - 5.56 Tactical Charging Handle Assembly AR15 - #LMP103
LMT Defense
Now: $67.68Was: $69.75This is a new Lewis Machine & Tool Tactical AR15 charging handle. It features LMT’s enhanced tactical latch mechanism that utilizes a dead stop latch to reduce tension on the latch pin.Now: $67.68Was: $69.75 -
Out of stock
Knight's Armament - 5.56mm QDC MAMS Muzzle Brake Kit - #30168
Knights Armament Company
$356.33The KAC 5.56 MAMS (Multi-Axis Muzzle Stability) Brake has been engineered to increase controllability, to significantly reduce felt recoil, and to help mitigate a rifle’s flash signature as compared...$356.33 -
Out of stock
Knight's Armament - Panel Kit URX 3 & 3.1 - #30408-BLK-USED
Used
$200.00This is a used item in excellent condition. The KAC URX 3.1 Long Rail Panel Kit contains a basic assortment of protective panels that bolt directly to a Knight?s Armament URX III or 3.1 handguard...$200.00 -
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