Upper Receiver

The Thunder Beast Arms CB Series .30 Caliber Muzzle Brake with 5/8x24 threads (30CB-BRK:5/8-24) combines serious recoil and muzzle rise reduction with Thunder Beast's CB (Collet Brake) quick-detach suppressor mount capability. This muzzle brake...

The 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 suppressor system on .223/5.56 NATO barrels. This flash hider...

The 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, designed for .30 caliber barrels including .308 Win, 6.5...

The 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 suppressor mounting system, designed for .223/5.56 NATO...

If 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 precision and purpose, every component in this BCG is heat...

The 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 closed-tine flash hider and the mounting interface for...

Complete 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 Handguards

This 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.

The 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 to traditional muzzle brake designs. The MAMS is...

This 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. The lightweight polymer panels are textured for a more...

This 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 barrel for those who put plenty of .22 LR...

This 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 for the modifications. Brand new No sights (may...