Suppressed HK 53
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Thread: Suppressed HK 53

  1. #1
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    Default Suppressed HK 53

    Does a hk 53 have issues being suppressed? I’m getting ready to buy one and really only want one if I can suppress it. Thanks

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    That is a big "it depends." You are dealing with a very short barrel. So the first thing that you want to do is make sure that your chosen ammunition is actually delivering a stabilized projectile out of the short barrel. Don't just take somebody's word that XXX runs great with no problems. Personally verify that a given round is stable in your gun. That is step one and will minimize the possibility of baffle strikes. Next up is the fact that there is a lot of powder being burned outside of the barrel in a 53 configuration. We all know that the resulting fireball is a crowd pleaser! But with a can on the end, that means that powder could be burning in the can. There are many modern can designs that deal with this circumstance with ZERO issue. There are some can designs that do not. If this was my rig, I would be looking for a can that specifically states that it is designed for use with your barrel length. That design would include premium baffle materials and a welded build. At least for me.

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    I agree that you should verify bullet stability, though I believe it to be a result of proper twist rate for the length of the projectile, rather than length of barrel. Firing through a cardboard box with dividers is a good way to check for keyholing.

    You might also consider using a #7 or #8 locking piece when suppressed as the can creates back pressure akin to a longer barrel.

    For me, a 53 style in 300blk fit the bill. I have other 5.56 options. 5.56 is not as satisfying to suppress, though I really like my 33k suppressed.

    Another consideration when looking at cans would be mounting options if you have a 15x1 threading on the muzzle. The majors all have an offering, but it's comparatively limited.
    Last edited by kbinmt; 03-04-2018 at 02:26 PM.

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    I already have the can. It’s a SilencerCo saker K. I can buy a 15mn x 1 right hand muzzle device. I was going to have TPM Outfitters built the 53 for me. They said they will need me to send them the can so they can set the 53 to run properly with the it.

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    Yes but its going to be problematic for the list of considerations straightgrain mentioned. The 53 is already finicky enough to begin but where it shines is its level of firepower in such a compact size...adding a suppressor of any length takes away form what its supposed to be IMO. Regardless if you suppress it or not...its going to be loud as hell either way.

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    Do you think it would be better to get a 33k instead?

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    All the above and make sure the twist rate of barrel is 1:7. Slower twist rates will not stabilize the bullet, at least based on my experiences. Also, stay with 55gr bullets, if you go heavier you will have problems or at least I did.

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    JBM - Calculations - Stability

    Bullet length and twist rate are major components of stability. By all means get a 1-7 twist rate as it will stabilize 55-77gr projos.
    Last edited by kbinmt; 03-04-2018 at 09:05 PM.

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    Quote Originally Posted by stocknoc View Post
    Do you think it would be better to get a 33k instead?
    I sold my 53 years ago...and now have a 33k which is one of my favorite shooters. One very important note regarding 33k's...as others have mentioned, if you're doing a conversion from german hk93 to 33k, be careful and either have a new 1/7 twist barrel installed or find a hk93 with "178" stamped on the barrel which is a factory german 1/7 twist barrel. If you don't have a "178" barrel...you''ll have a 33k with 1/12 twist which is going to have a hard time stabilizing 55gr and over.

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