The weak facet hand placement will work without a Distinctive thumb relaxation. Thumb rest from Ronni performs on MCK if you want. Shoulder strap attaches on both. No pistol brace extension needed. MCK uses pistol's slide release so no mal-features like Ronni. The one thing the Ronni has which the https://paxtonhwxyt.full-design.com/little-known-facts-about-glock-stabilizer-68747305