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CSMR® Button

(29 reviews) Write a Review
$22.00
Free Shipping
RailScales Terra Bronze CSMR® Apex AR15 Magazine Release Button on Noveske Gen 4 N4 Lower

Product Overview

CSMR® Button - Concentric Spring Magazine Release button for M4/AR style rifles. The CSMR features two bosses on the backside to help keep the spring concentric during compression, and a raked 8 degree face for a more natural finger placement. Keeping the spring concentric during compression helps eliminate the crunchy feel when depressing. Offered in two styles, "MilSpec" (visually looks like the MilSpec fingerprint with all the updated features of the CSMR) or "Apex" (a mild yet grippy texture) to accomodate both the agressive or more conservative style of AR's. Also included is one of our 302 Stainless Mag Catch Springs (also available separately for purchase here) for even smoother compression, Patent Pending.

Only includes the Button and Spring

Ships Free and Made in USA 

  • CNC Machined 
  • 8 Degree Raked Face
  • Machined Logo
  • Two Button Styles 
  • 302 Stainless Spring Included
  • Weight: 0.07oz (including spring)
  • Material: 6061-T6 Aluminum
  • Finish: Type 03 Hardcoat Anodizing
  • Color: Carbon Black®, Terra Bronze®

 

 

© 2024 RailScales LLC All rights reserved. RailScales®, CSMR®, Carbon Black®, Terra Bronze® are registered trademarks of RailScales LLC.

For all patents and trademarks, see www.railscalesip.com

Reviews

(29 reviews) Write a Review

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  • 5
    Simple but perfect!

    Posted by Seth on Jan 26th 2020

    you wouldn’t think this would make such a big difference but it actually does. I picked up the Apex design and love it. Very grippy and smooth at the same time! Not to mention it looks awesome and adds a little bit of detail to an otherwise boring part. Great job!

  • 5
    Like a Glove!

    Posted by Gary M. on Jan 21st 2020

    I never thought that a mag button would make a difference, but this one really does. It is so smooth and consistent every time. Great job designing this thing Railscales.