05-19-2015, 02:36 PM
A 6" barrel with a 6" can would still be two stamps even if the can was permanently attached. 6" + 6" is still only 12" inches of barrel. If you had a 10.5" barrel with a permanetly attached 6" suppressor--- then you'd only need one stamp for the suppressor (since the permanently attached can would extend your legal barrel length measurement to 16" plus inches).
That would only work with a suppressor that actually protrudes a full 6" past the muzzle though. Be careful, because a can only six inches long will be back over your muzzle threads and not actually extend your barrel a full 6".....
Either way, I personally wouldn't do a 6" pistol barreled Grendel. As mentioned it'd require a pistol length gas system, and you'd be really far into the weeds about how to get it to actually run well. I'd only do it if you realllllly liked to tinker....
Your velocity would be pretty poor, and I don't know of any normal suppressors that would be warranted for that barrel length in a Grendel anyway. With the Grendels higher case capacity, you'd basicly be sandblasting your baffles (with unburnt powder) under very pressure with each shot. Even a very heavy duty can would likely live a much shortened life. Suppression would be mediocre at best, and you'd probably be surprised at how much flash made it out of the can as well.
It's doable, but (in my opinion at least) not very practical at all.
That would only work with a suppressor that actually protrudes a full 6" past the muzzle though. Be careful, because a can only six inches long will be back over your muzzle threads and not actually extend your barrel a full 6".....
Either way, I personally wouldn't do a 6" pistol barreled Grendel. As mentioned it'd require a pistol length gas system, and you'd be really far into the weeds about how to get it to actually run well. I'd only do it if you realllllly liked to tinker....
Your velocity would be pretty poor, and I don't know of any normal suppressors that would be warranted for that barrel length in a Grendel anyway. With the Grendels higher case capacity, you'd basicly be sandblasting your baffles (with unburnt powder) under very pressure with each shot. Even a very heavy duty can would likely live a much shortened life. Suppression would be mediocre at best, and you'd probably be surprised at how much flash made it out of the can as well.
It's doable, but (in my opinion at least) not very practical at all.
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