3D printed muzzle brakes

They're really good looking, yes, but I'd avoid using them on PCPs, because they just make the shots too loud. Actual air-strippers would be a better option. By the way, I have a Gamo Black Bear - springer break barrel, which has a storm barrel installed on it, and these barrels have a really cool looking, although only semi functional, muzzle break at the end of them. Sure, it looks good, probably also reduces felt recoil, or otherwise perceived shock, but it really makes the gun louder, than a .22 caliber springer should be. This gun only outputs about 15.25 ft/lbs of muzzle energy with JSB Exact Express 14.35gr pellets, but it's as loud as my Hatsan 125 !

And this isn't due to any sort of diesling, I've chronied the gun and it shoots OK, delivering a constant 700fps at the muzzle and good accuracy, which means that there's no oil residue in either the cylinder or the barrel. It's just the muzzle break that makes the gun louder, profiting in giving the edge on accuracy and reduced recoil, just like with real firearms.