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Thread: Suppressors and Recoil?

  1. #1
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    Suppressors and Recoil?

    gentlemen,

    I've been using cans on AR-15s for years and from my own experience I can say that I absolutely notice increased recoil due to the increase in back pressure. An adjustable gas block helped but I feel that even an open muzzle would shoot softer.
    I've read they're supposed to act like a muzzle brake but... that puzzles me due to the increase in back pressure. The only way I can imagine a decrease in recoil is if the suppressors' weight is such as to negate the affect of the back pressure.
    I can see semiautomatic pistol suppressors at least not adding recoil due to their design of using a piston.

    Thoughts?
    Last edited by DirtDiver06; 02-27-15 at 22:05.

  2. #2
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    I get a felt decrease in recoil when shooting suppressed especially on pistol hosts but the latter may have more to do with the fact that the added weight hanging off of the front helps with recoil mitigation. What suppressor are you using and what firearm? (I assume AR15's since that's what you mentioned)
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  3. #3
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    I don't notice less "recoil" on pistols but I do notice less muzzle flip. I can shoot insanely fast suppressed and still have the rounds impacting near the original POA.

    On a bolt rifle I notice a huge decrease in recoil
    Why do the loudest do the least?

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    Quote Originally Posted by Jer View Post
    I get a felt decrease in recoil when shooting suppressed especially on pistol hosts but the latter may have more to do with the fact that the added weight hanging off of the front helps with recoil mitigation. What suppressor are you using and what firearm? (I assume AR15's since that's what you mentioned)
    I'm using a Surefire SOCOM556 on a Noveske Afghan with a SLR block.

    I guess I'm biased because I'm comparing to how the rifle felt with just the SFMB556 brake.

  5. #5
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    interesting

    A suppressor reduces recoil but not as much as a brake but more than an open muzzle.
    But I think when an isolated reciprocating system is in the equation... it's a different story due to increased cycling speeds greater than the suppressors' added weight can offset.

    Last edited by DirtDiver06; 03-01-15 at 01:35.

  6. #6
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    My 11.5" bbl AR with a SF 556 (legacy) can almost doesn't move off target. The rifle has an A5 RE which may play a role.
    Before you suggest that licensing, background checks, or other restrictions for the 2nd Amendment are reasonable... Apply those same ideas to the 1st and 4th Amendments. Then tell me how reasonable they are.

  7. #7
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    The brake will reduce recoil more, caliber defendant. The can also reduces recoil, but also changes the recoil to straight back into your shoulder as opposed to the muzzle rising.


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  8. #8
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    The suppressor should smooth out the recoil due to the powder because the gasses are slowed down.

    If the suppressor is over gassing the action, that may be perceived as more "felt recoil".

    A setup with an adjustable gas block or "suppressor" sized gas port will cycle normally and should feel smoother overall.

    Quote Originally Posted by DirtDiver06 View Post
    gentlemen,

    I've been using cans on AR-15s for years and from my own experience I can say that I absolutely notice increased recoil due to the increase in back pressure. An adjustable gas block helped but I feel that even an open muzzle would shoot softer.
    I've read they're supposed to act like a muzzle brake but... that puzzles me due to the increase in back pressure. The only way I can imagine a decrease in recoil is if the suppressors' weight is such as to negate the affect of the back pressure.
    I can see semiautomatic pistol suppressors at least not adding recoil due to their design of using a piston.

    Thoughts?
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    On my Barrett M99, I can assure everyone that a suppressor increases felt recoil... no moving parts to complicate anything.

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    Quote Originally Posted by eodinert View Post
    On my Barrett M99, I can assure everyone that a suppressor increases felt recoil... no moving parts to complicate anything.
    From the muzzle break or a bare muzzle?

    Therein lies the distinction.


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