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Our can is a pretty solid option.  The Banish .45 is probably a decent can also, but the primary product of Griffin Armament is silencers, and the primary product of Silencer Central is the to your door program.  

We both happen to offer the program thanks to Capital Armory on our end, so you can get a can to your door from us for less money in this category.  

It looks like the booster housing is the only titanium part of the Banish, and we have a full 17-4 stainless baffle system, and a 17-4 piston housing and external piston housing. Our aluminum is 7075-T6 not 6061. Our can is rated for hunting with 18" .308 winchester.

Before you (or anyone) pull the trigger on a Banish 45, know that they have proprietary pistons and proprietary threads in both the booster housing and the tube.  You will have no other mounting options besides their pistons.

We used to make a BPISTIN Alpha pattern Booster assembly for those, and also some taper mount adapters for the Banish 30, but we learned pretty quickly that most people who bought these cans were low information purchasers (not meant as an insult) who got baited in by the to your door program, then were basically told good luck after that.  What ended up happening was SC started sending everybody to us when they got calls about other mounting options, which would seem like a good thing, except the average exchange with Banish owners was 6 emails trying to educate them (because most didn't bother to read our comprehensive product descriptions and FAQs), which cost me better than a half hour per person while only a tiny fraction of them ever even visited the site again, let alone return to make other purchases.  Just wasn't worth the time & headache for the pittance of profit on individual adapters, so we discontinued them.  Nobody else has tried to fill that void, and it's doubtful anyone will.