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Muzzle Device Flash Testing photos (A2, Battle Comp 2.0, & Griffin Armament devices)

Griffin Armament

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We wanted to comparison test some common muzzle devices on the market.

We tested 5 rounds and these still images are the best and worst of the 5 round string fired.

We used settings that replicated as closely as possible human eye. We manipulated aperture and ISO settings to directly correspond with eye visible light levels. I don't have the camera card handy, but the settings were the result of multiple tests to determine exact correspondence with human eye visible signature, and remained the same for all photography. These images represent what you would actually see- rather than blowing the F stop to 1.2 and iso to 3200 which would catch a lot of light that night vision would not even gather. We also did record night vision using a video camera and it was ~40% more sensitive to light pretty much accross the board which is reasonable because night vision is picking up some of the near infra-red and short wave infra red spectrum which is not human visible. In other words some heat outside of the human visible spectrum creates light that is visible to night vision. Muzzle flash is light from hot or burning particles of powder, so this is to be expected.

There are a couple more images on our facebook page (Griffin Armament) but we are only able to reliably link about this many images.

7.62mm devices were tested with M118LR ammunition
The 7.62 tactical compensator produced about double the flash of the A2 which performed admirably on the 16" .308 barrel.

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5.56mm devices were tested with M855 ammunition.
While producing ~50% more flash than the A2, the M4SD II muzzle brake was about on par with a Battle Comp 2.0 for flash signature
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The M4SD Compensator produced more flash than the A2, but the signature was still reasonably managed on the 16" platform.
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The M4SD II Flash Comp produced flash signature roughly equivalent to the A2 on the 16" platform.
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The M4SD II Flash Comp produced about 40% less flash than the Battle Comp 2.0:
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16" A2 vs 16" M4SD Flash Suppressor:
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10.3" M4SD Flash Suppressor vs 10.3" A2 flash suppressor:
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10.3" Flash Comp vs 10.3" Battle Comp 2.0:
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