This guide details the installation of two pistol brace alternatives: the Black Collar Arms APS and the Pistol Storage Device (PSD). The APS offers adjustable support for chassis pistols, compatible with Atlas bipod feet, while the PSD provides magazine and sling storage with ATF non-brace/non-stock classification. Both aim to enhance stability and accuracy without NFA regulations.
This review of the Primary Weapon Systems Mk111 Pro piston AR pistol highlights its "wonderfully different" design. Key takeaways include the benefits of a piston system for cleaner and cooler operation, the unique pistol storage device (legally distinct from a brace/stock), and its controllable recoil impulse despite the short barrel. The adjustable gas block is noted, though not tested with suppressors in this review.
This YouTube Short demonstrates a magazine change on a PWS PCC 9 rifle, specifically utilizing the Pistol Storage Device (PSD). The video highlights a practical firearm manipulation technique in a concise format. It also includes links for viewers to find the gear used and other content from the channel.
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