Looks pretty solid and well built until you look at the details. I'm an advocate for some things and very prone to accidents, so I immediately noticed a targeted throw at the can thread. If I tell you the spurs were sharp, they were RAZOR SHARP. I cleaned and sealed the threads and the very first glass I fitted didn't fit properly. There is no way to fix this once the can is fired as it will break the seal and the pressure will offer enough resistance that this is simply not possible. I've tried everything to rip it off or remove it manually and every attempt has failed. But even without the foam successfully getting through the gun, the parts of the gun that the foam was leaking from were more than just a misconfiguration. Foam slowly flowed out of every crease along the shaft where the pieces connect. What a waste of time and money.
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