Works great for short barrel concussion - Kaw Valley Precision 3.25in Magnum Linear Compensator

Had written like 3 thorough reviews but it keeps getting deleted when i try to move the cursor to the right edge of text box, so im keeping it short.

Reduces perveived concussion greatly.
Great for home defense as it INCREASES concussion for anyone in front of it.
No reduction in recoil (which shouldn't matter too much for a grown man shooting an AR-15 unless your competition shooting)
Less flash suppression than an A2 but still significantly less flash than just an open ended barrel.
Machined nicely and concetric.
Fits beautifully under my 12" AT3 Spear Mlok handrail (using a 10.5" .300 blackout barrel)
Gets alot of compliments from others.
A little heavy, best for short barrels, anything above 12.5" would get a little front heavy.

Better than just an open ended flash can because this does reduce flash in comparison so youre not blinded by a huge fireball in dark situations.

Muzzle devices like this definitely have their advantages on short barrels intended for home defense.