QD Blast Shield ( Gen 2 )

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The QD Blast Shield was designed to offer significant concussion reduction for the end user and other team members operating in the immediate vicinity. Often team members in CQB environments experience concussion from muzzle blast that is not only deafeningly loud, but also can cause prolonged headaches that can last for days afterwards.

Especially effective on short barrels, the unique design of the QD Blast Shield directs concussive force forward allowing an end user to rapidly reconfigure muzzle device function. Ultra strong 17-4PH stainless steel and Tig welded construction provides a robust material and build method to withstand intense use and full auto fire without fear of failure. The body is fluted in the same way as our QD suppressors, increasing strength to weight ratio for added geometrical strength, while increasing surface area for faster cooling.

Melonite QPQ surface treatment provides an extremely hard, durable, and attractive finish.

The QD mechanism is fast, positive, and free of wear prone geometry commonly found in ratcheting devices. The QD Blast Shield also comes with a shim set and overtravel stop to refit your A2 compensator for optimal use.

The Griffin QD Blast Shield is compatible with our line of Gate-LOK mounts in 7.62 and 5.56mm, including the Gate-LOK Flash Comp (5.56mm)Gate-LOK™ Hammer Comp (5.56mm), Gate-LOK™ Stealth Flash Hider (5.56), and Gate-LOK™ Flash Comp .30cal (7.62mm). Discontinued products the QD Blast Shield is compatible with: M4SD Muzzle Brake, Linear Comp, Compensating Flash Hider, & Tactical Compensator. *Not compatible with 30SD Flash Suppressor and 30SD Muzzle Brake*

It is also compatible with A2 Compensators that fall within the USGI A2 spec blueprinted dimensions. Silencer interface was designed to fit the USGI A2 government contract compliant muzzle devices. We cannot guarantee fitment with an A2 style compensator due to the broad tolerance range of both import and domestic devices from various brands. For guaranteed fitment, we recommend the purchase of a Griffin mount.

Although many companies manufacture A2 style compensators not all of them are dimensioned properly. Not Compatible with BCM, BCE or PWS muzzle devices.

Griffin Armament has continued to pursue product development that will enhance hearing safety in tactical and shooting sport situations. The QD Blast Shield is a great product for those that would like to reduce the concussion of their muzzle devices.

Compatible up with projectiles up to 9mm.

Multiple Patents


  • 17-4PH stainless steel material
  • Melonite QPQ finish
  • Compatible with Griffin QD silencer mounts and A2 Compensator
  • Significantly reduces concussion
  • Fluted to reduce weight and increase strength
  • Fast, positive, wear free QD mechanism
  • Included shim set and over-travel stop washer to refit your A2 for optimal use
  • OD of Blast Area: 1.5"
  • OD of Locking Gate Area: 1.5"
Type Of Part:
Blast Shield
Attachment System:
Type Of Part:
Muzzle Device

27 Reviews

  • 2
    Purchase with caution

    Published by John Nelson on 13th Apr 2024

    I purchased this for my Daniel Defense DDM4V9. The blast shield initially fit on the A2 style muzzle device perfectly, but became stuck after a 150 round range session. Removing the device was nearly impossible. I was eventually able to remove it, but not after tearing most of the nitrite finish off of the flash hider, which I had to to have replaced. My experience may be a fluke, but I would recommend going with one of Griffin's proprietary muzzle devices and not risk your flash hider with this product.

  • 5
    A quality product!

    Published by JG on 7th Feb 2024

    This thing looks and feels fantastic on my DD M4A1, I can't wait to get it out to the range and try it out. Griffin Armament's products are truly the best value for money you can get and they have my business for the future!

  • 5

    Published by Gavin Alderman on 13th Aug 2023

    Works as advertised. Completely eliminated the flash on my rifle as well.

  • 5
    Great Device

    Published by Paul on 28th Jul 2023

    Well made and easy to install. It's just what I've been looking for because you don't have to buy a seperate muzzle device hundreds of dollars. Works and does what its suppose to. The only thing I can't really comment on yet is long term durability because I just started using it.

  • 5
    Worked for what I was looking for.

    Published by fallhuntsman on 12th May 2023

    I bought this on sale - it was a great price! Anyway, Id been looking at it for a bit. I have a 10.5" that if fits nicely on. The quick disconnect it amazing. Good design. Hides most Flash, and sends noise and Gas further out front. It does weigh it down a bit, but it's worth it to me. A good purchase!

  • 5
    Loving it

    Published by houtx2958mods on 29th Jun 2022

    Great product and it really works

  • 5
    Great blast shield

    Published by Kevin B on 7th Jun 2022

    Functions just as good as it looks…which is great!

  • 4
    QD blast shield

    Published by Jon on 23rd Nov 2021

    Works as stated. Really happy with it.

  • 5
    Buffer tube

    Published by Christopher Griffin on 17th Nov 2021

    Beautiful fit Well built

  • 5
    QD Blast Shield (Gen 2)

    Published by Charlie Winn on 4th Sep 2021

    Great product!!! I own the Gen 1 when it came out. I love the design of both the Gen 1 & Gen 2. Great accessory for my 10.5" uppers. Only a couple of range sessions so far and it's been good.