Lower & Upper Receivers

The 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 wide range of 7.62 caliber ammunition,...

This is a new Sig Sauer MCX SPEAR-LT complete lower receiver. It features lightweight aluminum construction with a Coyote finish, ambidextrous safety selector, flat blade match trigger, polymer grip, and a side folding telescoping stock. This...

MCX 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 coyote (FDE) frame make it both visually appealing and...

The 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 ammunition, ensuring reliable performance...

The Sig Sauer PMCX Spear-LT Lower features a fully ambidextrous bolt catch and release, coyote anodized finish, minimalist stock and AR-15 style trigger compatibility. These lowers are compatible with any Spear-LT Upper making it easy to switch between...

The 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

Ultimate 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 platform uses our whisper quiet G-core technology...

Get 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 Quad Rail 13.25" AR-15 Upper Receiver (L7RA1A):...

The Bravo Company Manufacturing Complete AR-15 Lower Receiver is built to Mil-Spec ensuring compatibility with a wide range of parts and accessories. This AR-15 lower comes fully assembled and ready to attach to any Mil-Spec complete upper. The...

LWRC M6 IC Enhanced Lower Receiver is fully ambidextrous, with a safety selector, mag release and bolt stop. These are semi auto receivers are stamped with 5.56 full auto markings.The LWRC M6 IC Enhanced Lower Receiver comes standard with LWRC enhanced...

This 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 drop in upgrade for a standard M4A1 lower, converting...

MCX-SURG - Suppressed Upper Receiver Group - ***These are currently shipping in waves, and orders will be shipped out in the order they were received.*** SIG SAUER is proud to introduce the MCX-SURG (Suppressed Upper Receiver Group)...