Videos tagged with User-Changeable Barrels

This entry provides a comprehensive overview of the Palmetto State Armory (PSA) AXR SSP, as presented by a PSA representative at SHOT Show 2026. Key features include its Short Stroke Piston system, modular design with a monolithic rail and user-changeable barrels, ambidextrous controls, and the new E4 bolt system. The AXR SSP is designed for modularity, suppressor optimization, and compatibility with standard AR-15 components, with plans for future caliber expansion.

This video provides an in-depth look at the SIG Sauer MCX and MPX platforms, highlighting their modularity and design enhancements. Key features discussed include the MCX's multi-caliber capability with user-changeable barrels, reinforced upper receiver for durability, and AR-15 compatibility. The MPX is presented as a modern take on the MP5, featuring a compact design and proprietary magazine. The segment includes a demonstration of the MCX's barrel swap procedure, emphasizing its ease of use for consumers and military/LE applications.

This episode of American Rifleman Television previews the SIG Sauer MCX and MPX platforms, highlighting their American manufacturing in New Hampshire. The MCX is presented as a robust, multi-caliber rifle derived from the AR platform, designed for government tenders. Key features include user-changeable barrels and a gas system engineered for reliable operation with various ammunition types and suppressor configurations.