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Discussion Starter · #1 ·
Good Morning,

i was was doing some window shopping at Silencerco's web site today when I noticed they list a 5.7 piston for the osprey. Has anyone here tried this combination.

I am trying wrap my head around how effective this would be until I saved up enough money for a new can.

Rick
 

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I think you may be confused. The ".578x28" piston is a 45acp threaded piston not a "57" piston. A true 57 piston would be threaded 10x1mm rh as which SCo does not have. Trouble is saying you will have to run 10x1mm->1/2x28 to use the osprey which would require the 1/2x28 piston
 

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I've used my Octane 45 with the 1/2x28 fixed thread adapter on my SBR PS90 and I have to say it was quite pleasant to shoot with that can. The blowback from using it was WAY less than when I run my Spectre II and it also had far less recoil, not that this thing recoils much to begin with. If Silencer shop ever starts selling different end caps I'll be buying one for sure just to use on the PS90.
 

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Discussion Starter · #10 ·
I think you may be confused. The ".578x28" piston is a 45acp threaded piston not a "57" piston. A true 57 piston would be threaded 10x1mm rh as which SCo does not have. Trouble is saying you will have to run 10x1mm->1/2x28 to use the osprey which would require the 1/2x28 piston
Vertigosol,

Thank you for clarifying. I guess I was really out in left field on this one.

Rick
 

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Vertigosol,

Thank you for clarifying. I guess I was really out in left field on this one.

Rick
Don't get me wrong you can still shoot 5.7 out of the osprey. I have shot 5.7 out of my tirant45 and opsrey45 cans. I would vouch for a octane9/45 can if you are going to use the can for multiple hosts and will be shooting 5.7 out of it more than once and a while
 
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