The LWRC REPR MKII Elite Rifle Upper 6.5 Creedmoor 22" Barrel Patriot Brown is a premium upper assembly built for shooters who demand precision and reliability. It combines LWRC’s proven short-stroke...

The Volquartsen Ruger MKIV LLV Competition Upper 4.5" With Target Sights is a dedicated .22 Long Rifle upper that turns your Ruger Mark IV into a precise, competition-ready target pistol. Its...

The ATI .410 AR Upper Kit 18" Brl 5rd Mag Popup Sights 3oz Buffer turns a standard AR-15 lower into a smooth-shooting .410 shotgun-style platform. Built around the Omni upper with an 18.5" stainless...

The Bushmaster 0040004BLK M4 Patrolman's Upper delivers a classic XM-15 style upper receiver group built around a 16" black nitride barrel and forged 7075-T6 aluminum receiver. This complete upper...

The Used Gemtech Integra 5.56 Upper 10.5" Barrel Black is a purpose-built integrally suppressed AR-15 upper that blends Gemtech’s proven G-Core technology with a compact 10.5 inch barrel. With its...

The WMD Upper Assy 350 Legend 16" Barrel by WMD Guns is a testament to precision engineering and innovative design. This complete upper receiver is crafted with a forged AR-15 upper assembly,...

The San Tan Tactical STT EBTLK-16-BLK Everything But The Lower AR-15 5.56x45mm NATO 16" Upper Receiver kit brings together factory-matched components in a single, organized package. Built on a...

The Stag Arms Stag 15 M4 Phosphate Upper is a classic AR-15 upper receiver assembly built around the proven M4 configuration. Featuring a fixed carry handle upper, traditional polymer handguards, and...

The Stag Arms Stag 15L Left Hand M4 Phosphate Upper brings the classic M4 configuration to left-handed shooters who want a dependable, GI-style AR-15 upper. Built around a 16" M4-profile barrel with...

The Stag Arms Stag 15L Left Hand .300 Blackout 16 In Upper is a dedicated upper receiver assembly designed for left-handed shooters who want a smooth, reliable .300 Blackout setup on their AR-15...

The Stag Arms Stag 15 .300 Blackout 8 In Upper delivers a compact, purpose-built upper receiver assembly for shooters who want to get the most out of the 300 AAC Blackout cartridge. Built on a...

The Great Lakes Firearms 223 Wylde Complete Upper Receiver Black Nitride brings the heart of GLFA’s best-selling rifle to your existing AR-15 lower. Built around a 16" .223 Wylde barrel with a black...