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For MAGPUL MS3 & MS2! Impact Weapons Components, LLC's CSAP MOUNT-N-SLOT brand Direct Attach Mount provides an attachment point on Magpul's UBR™ (Utility Battle Rifle) Buttstock, allowing the operator to perform weak side transitions.

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    60 days
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Designed to be compatible with Magpul's MS3 AND MS2 Multi-Mission Convertible Sling and HK Hooks attached to any other manufacturer's sling, like the VCAS by Blue Force Gear or VTAC by Viking Tactics.

CSAP was designed to allow Magpul's UBR™ to retain ALL of it's ORIGINAL FUNCTIONALITY.


CNC Machined from 6061-T6 Billet Aluminum

Mil-Spec Type III Black Hard Coat Anodized

Ultralight, just .385 ounces

Eliminates 4 parts originally included with the UBR™: 1-Screw, 1-Washer, 1-Nut & 1-QD Cup

MADE by AMERICANS in COLORADO from USA Made Billet Aluminum


The idea for our CSAP came from a firearm enthusiast and veteran who served in the United States Navy, Mr. Ron Groves. Ron approached IWC's table at a gun show in Denver, Colorado last fall, explained the problem and asked us to solve it. IWC would like to express our sincere thanks and gratitude to Ron for his help and assistance during the design, testing and prototype phases of this project. Without Ron's honest feedback and dedication to finding a solution, IWC could not have brought this product to market. THANK YOU RON!

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INSTALLATION INSTRUCTIONS: MUST REMOVE FRONT QD MOUNT & RECEIVER KEY. UBR include a Front QD Mount which must be removed so that the Receiver Key can be replaced with the CSAP. Remove Screw and Nut. Use hammer and punch on backside of QD to drive Front QD Mount from Reciever Key. Moderate force may be required. Once Key is off, replace with CSAP and reinstall UBR per instructions provided with UBR from Magpul. 

Product Reviews

  1. JD

    EXTREMELY EASY INSTALL!!! Crafted well! Very good design! Practical & Tactical! This was exactly what I needed when I converted my Sig 556 Holo stock over to the UBR in able to continue using my Blackhawk Storm XT one point sling.

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