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Thread: PTR91 Upgrades

  1. #1
    Junior Member

    Join Date : Aug 2008
    Posts : 11

    Default PTR91 Upgrades

    I was hoping to get some input on what upgrades would improve my MOA. I have a PTR91 KFM4, so far I have put a Magpul PSG stock on it, a Bill Springfield trigger job, and I changed the navy lower to a steel lower so I could add the PSG style grip. Can anyone tell me if T-rails would make a significant difference? Also are any of the improved buffers worth getting, if so which one. The only other thing I was considering was putting on a the 20 inch barrel that PTR offers. The gunsmiths I have spoken to have said that when upgrading the barrel you need to change the trunion to PSG style, but the guys at PTR say this is not the case, anyone have input. Any other suggestions would be greatly appreciated my ultimate goal is to have a PSG imposter with out spending a ton, wait I already have too late. This site is awsome I cant believe I waited this long to sign up.

  2. #2
    Very Senior Member

    Join Date : Jan 2005
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    The only buffers worth considering are the HK buffers (heavy, etc). Not the rubber or poly "blackjack" or other buffers that can actually cause harm.

  3. #3
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    Join Date : Aug 2008
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    Can these actually improve accuracy or just reduce recoil?

  4. #4
    Gets the Shakes if No HK Contact in 24 Hour Period
    99HMC4's Avatar
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    Location : Alb. NM
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    They jus reduce recoil. What type of groups are you getting now? What scope are you using? My 16" PTR shoots sub MOA all the time. How good do you want to get? The very best thing you can do is buy (or reload) a butt load of ammo and shoot, shoot and shoot! The better you are, the better.
    07 FFL/02 SOT

  5. #5
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    I have a Leapould MK 4 3.5 x 9 on a B&T mount. I think I am about in the sub MOA catagory, but honestly the riffle is more accurate than I am. So I am sure trigger time is the answer. My roomate and I go to a long distance shoot every year at 700ish yards. I can hit the 4"x4" exploding targets with his bolt guns but not with my PTR. I want to hit them with mine is the goal. Thanks for your input.

  6. #6
    Very Senior Member

    Join Date : Jan 2005
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    Quote Originally Posted by Brimstone PTR91 View Post
    Can these actually improve accuracy or just reduce recoil?
    The "aftermarket" ones do neither. I have shot with a blackjack buffer and it didn't reduce recoil one bit.

  7. #7
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    at 700 yards 1 moa is a little over 7 inches so if your scope isnt perfectly zeroed you wont hit ia 4x4 target. have you shot against a bigger target to see where it is hittng. if the scope is zeroed at 100 yards you will need a bullet drop chart to get a starting point for 700 yards.

    also what kind of ammo are you shooting? if not match try sorting them by weight and length to improve groups.
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  8. #8
    Desperately Needs Treatment

    Join Date : Apr 2000
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    The heavy buffer may help in your concentration, it really tames the recoil. A set of receiver rails should help, its major surgery to install, contact IGF, RDTS..etc.

    Bill
    www.triggerwork.net
    Trigger services provided for most military semi rifles, HK USP's, P30's, and P2000's.

  9. #9
    Gets the Shakes if No HK Contact in 24 Hour Period
    99HMC4's Avatar
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    Quote Originally Posted by bspring View Post
    The heavy buffer may help in your concentration, it really tames the recoil. A set of receiver rails should help, its major surgery to install, contact IGF, RDTS..etc.

    Bill

    You didnt tell him about the "Bill Springfield trigger job"! Thats one of the two best things I did for my PTR. And yes, the trigger work Bill does should help your groups. Send your trigger group to Bill!

  10. #10
    Gets the Shakes if No HK Contact in 24 Hour Period
    stubbicatt's Avatar
    Join Date : Nov 2006
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    Quote Originally Posted by 99HMC4 View Post
    You didnt tell him about the "Bill Springfield trigger job"! Thats one of the two best things I did for my PTR. And yes, the trigger work Bill does should help your groups. Send your trigger group to Bill!
    Ummm... The OP says he has the Bill Springfield trigger job. 2nd line, second sentence.
    "A man is generally what he feels himself to be."

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