Introducing the BCM KeyMod Rail (KMR)

Published on January 16, 2014
Duration: 4:15

Eric Kinel of Bravo Company USA introduces the KeyMod Rail System (KMR), highlighting its aluminum-magnesium alloy construction and lightweight design. The KMR aims to provide a lighter alternative to traditional Picatinny rails for accessory mounting. The video also showcases BCM's enhanced lightweight barrel and the Mod 1 compensator, emphasizing their integration for a 16-inch overall barrel length.

Quick Summary

The BCM KMR (KeyMod Rail System) is a lightweight AR-15 handguard constructed from an aluminum-magnesium alloy. It uses the KeyMod interface for accessory mounting, offering a lighter alternative to Picatinny rails. The 13-inch KMR weighs just 5 ounces without hardware, and BCM also offers enhanced lightweight barrels designed for accuracy and reduced mass.

Chapters

  1. 00:00Introduction to BCM KMR System
  2. 00:12KeyMod Rail System (KMR) Overview
  3. 00:22KMR Material and Weight
  4. 00:35Enhanced Lightweight Barrel Introduction
  5. 00:43Mod 1 Compensator and Barrel Length
  6. 00:52Evolution of Handguards and KMR
  7. 01:03Development of KeyMod Interface
  8. 01:17KMR vs. Picatinny Rail
  9. 01:34KMR Handguard Details
  10. 01:39KMR Accessory Panels
  11. 01:59Angled KMR Panel
  12. 02:24Vertical Pistol Grip Options
  13. 02:53KMR System and Barrel Integration
  14. 03:00Enhanced Lightweight Barrel Design
  15. 03:22Barrel Gas Block Diameter
  16. 03:30Fluted vs. Unfluted Barrels
  17. 03:39Barrel Manufacturing Processes
  18. 03:45KMR System Pricing and Availability
  19. 03:52BCM Complete Upper Offerings
  20. 04:04Standalone KMR Handguard Release

Frequently Asked Questions

What is the BCM KMR and what makes it unique?

The BCM KMR (KeyMod Rail System) is a lightweight AR-15 handguard made from an aluminum-magnesium alloy. It utilizes the KeyMod interface for accessory mounting, offering a lighter alternative to traditional Picatinny rails while maintaining rigidity and functionality.

What are the weight specifications for the BCM KMR 13-inch rail?

The 13-inch version of the BCM KMR handguard weighs approximately 5 ounces without its mounting hardware. With the mounting hardware included, the total weight is around 7 ounces, highlighting its focus on weight reduction.

How does the KeyMod system compare to Picatinny rails?

The KeyMod system, as implemented in the BCM KMR, is designed to work alongside Picatinny rails. It offers a lighter and potentially less obtrusive method for attaching accessories, aiming to reduce the 'cheese grater' effect of full-length Picatinny rails.

What are the features of BCM's Enhanced Lightweight Barrel (ELW)?

BCM's Enhanced Lightweight Barrel (ELW) features a continuous tapered profile for accuracy and a 0.625-inch gas block diameter. It also omits the handguard retainer hump, reducing unnecessary mass for a lighter overall barrel.

More Tactical & Gear Videos You Might Like

More from Guns & Ammo

View all →