BCM MK2 Recoil Mitigation System Review. How To Install AR Buffer Tube, Buffer, & Spring/Retainer.

Published on May 1, 2024
Duration: 17:46

This video provides a comprehensive guide to installing the BCM MK2 Recoil Mitigation System on an AR-15 platform. It details the process of removing the existing buffer system and installing the new components, including the buffer tube, M16-style spring, and T2 buffer weight. The instructor emphasizes the benefits of reduced recoil and improved bolt carrier group reliability, while also offering practical tips for a secure installation.

Quick Summary

The BCM MK2 Recoil Mitigation System enhances AR-15 performance by reducing felt recoil and improving bolt carrier group reliability. It features an eight-position buffer tube, an M16 rifle spring, and a heavier T2 buffer weight for more consistent cycling and better shooting dynamics.

Chapters

  1. 00:00Introduction to BCM MK2 Recoil Mitigation System
  2. 01:02Key Differences: Buffer Tube Length and Weight
  3. 01:22Buffer Weight and Rifle Balance
  4. 02:15M16 Rifle Spring vs. Carbine Spring
  5. 02:45BCM MK2 T2 Buffer Weight Explained
  6. 03:12Choosing the Right Buffer: T-Rex Arms Chart
  7. 03:37Loctite and Staking Options
  8. 03:51Tools for Installation
  9. 04:35Why Choose BCM Products
  10. 05:13System Benefits: Less Recoil, More Reliability
  11. 05:54Step 1: Disassemble the Rifle
  12. 06:21Step 2: Remove the Stock
  13. 07:00Step 3: Remove the Buffer Tube and Castle Nut
  14. 07:35Step 4: Remove End Plate and Retainer
  15. 08:35Staking vs. Loctite
  16. 08:52Step 5: Unscrew Buffer Tube
  17. 09:10Step 6: Install New Buffer Tube with Loctite
  18. 10:03Important Note on End Plate Screw and Spring
  19. 10:35Step 7: Install Buffer Retainer and Spring
  20. 11:05Step 8: Install Spring and Retainer
  21. 11:18Step 9: Screw in Buffer Tube to Correct Depth
  22. 12:08Step 10: Tighten Castle Nut and Ensure Straightness
  23. 13:56Step 11: Install Spring and Buffer Weight
  24. 14:37Step 12: Reinstall Stock
  25. 14:48Stock Fitment with New Buffer Tube
  26. 15:48Step 13: Reassemble Upper and Lower Receivers
  27. 16:40Final Comparison: Stock Collapse Length
  28. 17:19Conclusion and Call to Action

Frequently Asked Questions

What are the main benefits of the BCM MK2 Recoil Mitigation System?

The BCM MK2 system is designed to significantly lessen felt recoil and improve the reliability and consistency of the bolt carrier group's cycling. This leads to a more manageable shooting experience and potentially better accuracy, especially for shooters who do not use muzzle brakes.

How does the BCM MK2 buffer tube differ from a standard AR-15 buffer tube?

The BCM MK2 buffer tube is an eight-position adjustable tube, offering a slightly longer adjustment range than the typical six-position tube. It also adds a small amount of weight, which can help balance the rifle and contribute to recoil mitigation.

What type of spring is used with the BCM MK2 Recoil Mitigation System?

The BCM MK2 system utilizes an M16 rifle spring, which is longer and has more coils than a standard carbine buffer spring. BCM recommends using their specific spring for optimal performance and cannot guarantee compatibility with aftermarket springs.

Can I use a different buffer weight with the BCM MK2 system?

BCM recommends using their specific MK2 buffer weights, such as the T2 version shown in the video, as they are designed to work in conjunction with the buffer tube and M16 spring. Using incompatible weights may affect performance and reliability.

What tools are needed to install the BCM MK2 Recoil Mitigation System?

Installation requires basic AR-15 armorer tools, including a castle nut tool or armor wrench for the buffer tube. A screwdriver is useful for manipulating stock release tabs, and blue Loctite is recommended for securing the buffer tube threads.

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