Videos tagged with Rock-Lock Magazines

The Primary Weapons Systems (PWS) UXR rifle, showcased at SHOT Show 2025, features a billet 7075-T651 upper receiver and a 4150 chromoly barrel manufactured in-house. Key innovations include a bore evacuator for suppressed shooting, an adjustable gas system with adverse, standard, and suppressed settings, and a non-reciprocating ambidextrous side-charging handle. The rifle utilizes a titanium trunnion system that torques to 1000 ft-lbs for barrel retention and is compatible with various aftermarket triggers.

This video provides an in-depth review of the SIG 551 A1, highlighting its unique Swiss AK-style design and performance. The presenter, who learned about the platform from a knowledgeable friend, emphasizes the rifle's smooth shooting characteristics, soft recoil, and the distinctive rock-and-lock magazine system. While acknowledging the rifle's American production, it's presented as an evolution of the AK platform. The review touches on its potential for customization and compares its value to original Swiss imports.