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RSR Stock #: 2A-BSHG-12
Manufacturer Part #: 2A-BSHG-12
UPC: 854299007871

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2A Armament, Builder Series, 12" Handguard, M-LOK, Fits AR15, Anodized Black Finish



"GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H.  Neither RSR Group, Inc. nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H.  The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components.  For genuine GLOCK, Inc. and GLOCK Ges.m.b.H. products and parts visit

  • M-LOK Mounting Surfaces
  • Free-Float

Product Description

This rail features a newly designed 6061 Aluminum hard anodized barrel nut and a rugged mounting system. Utilizing 3 screws allows enhanced rock solid lockup for your rail to barrel nut interface. It also has integrated QD mounts in both the front and rear. This rail features Type III, Class 2 hard coat anodizing.