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So I got mixed feelings about this BT-15 and wanted to share my experience with it to my fellow gun enthusiasts.

To provide some context:

I go out a few times a month with my wife to the range to shoot 50-200 yards with this BT-15 since I last purchased it a few months ago and my wife has refuses to be anywhere near me when I pull this out b/c of the inevitable blast waves (concussion?) she gets from standing next to me.

To address this, I picked up a SureFire Warcomp and the SF Blast Warden because the Rotex V Blast Deflector was sold out and backordered for several months.

Ok, well, she is now able to stand next to me as my spotter because of the reduction of the blast waves and it being forwarded down range...BUT, now there is a spectacular fireball / flash that is distracting to me as a shooter (which is not the case with the Rotex V Blast Deflector off).

Does anyone have this issue / or have a similar set up? I watched a video by someone at B&T use this (presumably on a 16" rifle) and I didn't see any fireballs. I know my BT-15 has a 10.4" barrel, is that the reason why it's spitting out fireballs? I'm not an expert and I have a hard time finding much information on this gun.

Also an FYI, I swapped to the Rotex V Blast Deflector from the SureFire Blast Warden because:

A. it fits on the stock BT-15 nato spec A2 flash hider.
B. the stock flash hider is more flush than the Warcomp, the Warcomp muzzle device has a very noticeable "gap" (see photo attachments)
C. Minimal POI shift...pretty good groupings at 100 yards (what I zero'ed in at on my x1.5x16S Trijicon ACOG)

Another gripe I have is that the barrel is threaded 15x1 RH and it's hard to find a muzzle device with suitable suppressor. Who knows when the B&T RBS 556/.223 Suppressor is going to be available...I've been eyeing it since the beginning of the year.

It appears that if I get another 15x1 RH muzzle device, there might be a high chance that it won't "fit flush" like my SureFire Warcomp didn't because of how "thiccc" the barrel profile is? (lol) My original intent was to get the SF warcomp and put a SF suppressor on it but I don't want to go that route because of the terrible aesthetics of the "gap" on my barrel.

Contemplating selling this in the classified, other than these grievances, it is an excellent firearm. Oof...realized I posted this in the wrong thread, it should be under pistols.

IMG_0051.jpg IMG_0725.jpg
 
Last Edited:
A suppressor is the only thing that will eliminate the fireball. Different devices will reduce or direct it but there's a bunch of powder still burning = fireball. There are some quality 15x1 to 1/2x28 adapters out there. Just run an alignment rod to confirm it's straight.

Great looking pistol by the way 👌
 
223 was and still is designed to be shot out of longer barrels than 10". After 10" there is still considerable pressure and possibly I burnt powder. Once the bullet leaves the barrel that pressured gas hits atmosphere and is traveling faster than it would if it was at a lower pressure. So much more report. Combined with unburnt powder igniting at the same time, you get a nice fire ball blast.

Besides a suppressor, which catches all of that stuff and slows it down a bit. There really isn't many good muzzle brakes that direct blast forward and prevent flash.

About the best you'll get is devices like a suppressor that aren't. IE the ATF doesn't consider them a suppressor, yet they have at least one baffle. The internal part will capture some of the blast and unburnt powder and the cone acts just like any forwarding device by pushing noise forward. These don't make the gun any quieter usually.

Here are a few.
https://noveske.com/products/kx3-flash-suppressor/


As for the thread pitch. Find a good quality thread adapter.
 
223 was and still is designed to be shot out of longer barrels than 10". After 10" there is still considerable pressure and possibly I burnt powder. Once the bullet leaves the barrel that pressured gas hits atmosphere and is traveling faster than it would if it was at a lower pressure. So much more report. Combined with unburnt powder igniting at the same time, you get a nice fire ball blast.

Besides a suppressor, which catches all of that stuff and slows it down a bit. There really isn't many good muzzle brakes that direct blast forward and prevent flash.

About the best you'll get is devices like a suppressor that aren't. IE the ATF doesn't consider them a suppressor, yet they have at least one baffle. The internal part will capture some of the blast and unburnt powder and the cone acts just like any forwarding device by pushing noise forward. These don't make the gun any quieter usually.

Here are a few.
https://noveske.com/products/kx3-flash-suppressor/


As for the thread pitch. Find a good quality thread adapter.
I use an original Bulgarian hider of which the kx3 is a copy on my 6" bbl AK pistol and it completely eliminates the muzzle flash as well as projecting muzzle blast forward. If I take it off, the result is a massive fireball 😁
 
I use an original Bulgarian hider of which the kx3 is a copy on my 6" bbl AK pistol and it completely eliminates the muzzle flash as well as projecting muzzle blast forward. If I take it off, the result is a massive fireball 😁
Those have larger internal volume compared to the Noveske, they work really well. Just not as visually attractive.
 

I'm curious if they make one that will use the OPs thread pitch.
 

I'm curious if they make one that will use the OPs thread pitch.
I bought adapters off Amazon quite a while ago.
 

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