I re-read my reply on the suppressor picture thread regarding end caps and fixed spacers and such. I think it needed more clarity, so I thought I would pass along the information I received awhile back from Silencerco about what mounts and springs work with what on fixed and movable barrels (rifles and pistols).
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Silencerco initial reply to my question
The Octane Fixed Mount will replace the Piston, Back Cap, and Booster Spring/Fixed Barrel Spacer. It is designed to replace all three parts, with just the one. The Fixed Barrel Spacer, is designed to work with a 5/8x24 Piston, and replaces the Booster Spring in assembly.
my summary for clarity
Thanks for your reply.
OK then, here is what I gather from your reply
If I use the fixed mount, I do NOT use EITHER a piston OR fixed spacer, just the fixed mount – it stands alone.
If I use the spacer, I should be using a 5/8x24 piston AND the “standard” back cap.
Does this sum it up properly? If so, it sounds like I can just use the Octane with the fixed mount on the rifles.
Also, is one method preferred, or does one perform better, over the other?
Silencerco further explanation
You are correct in your understanding. As for one over the other, it comes down most to convenience. The Octane Fixed Mount will be dedicated to said thread pitch; while the Fixed Barrel Spacer will work for not only a 300BLK Subsonic host, but also serve with a 1/2x28 Piston, for .22LR, or a 1/2x36 Piston for a 9mm carbine.
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I thought others of you might benefit from my exchange. The guy I was conversing with is Tyler Rockey in customer service.
I have used my octane on 300BLK AR 15 and Rem 700, M&P9, 1911, Sig 226 for starters. Have all the needed pistons, end caps, fixed adapters and front caps. Love it.
Pistons and mounts, which do i use?
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Vividia
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Pistons and mounts, which do i use?
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Tyler
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Re: Pistons and mounts, which do i use?
I've dealt with Tyler on a customer service/QA issue in the past and he more than took care of the situation. Good people at silencerco.
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Niceguy
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Re: Pistons and mounts, which do i use?
Just hung up with them and The Silencer shop and both told me I was good to go with a $40something spacer. Both have FANTASTIC customer service all of the times of dealt with either of them... Always helpful and always very nice.