Mpr

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John814ce
Posts: 40
Joined: Mon Jan 07, 2019 6:19 pm

Re: Mpr

Sun Feb 03, 2019 9:56 pm

I fitted the mpr hammer and the sweet spot is now at 130 bar and I only get 20 shots within that sweet spot with 5-8 fps spread..... jsb heavys 10.34gn 710 fps-11.57 ftlbs, jsb exact diabolo 8.4gn 752fps- 10.60 ftlbs, not bad 20 shots is plenty for a nights rabbiting. I played with the lengths on the ventrui to fine tune the power to NO HIGHER than 717 fps with jsb heavys 10.34gn.
Last edited by John814ce on Wed Feb 13, 2019 11:20 pm, edited 1 time in total.

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TenMetrePeter
Posts: 884
Joined: Wed Jun 29, 2016 5:40 pm
Location: Luton Beds UK

Re: Mpr

Sat Feb 09, 2019 1:34 pm

You fitted the 6ftlb MPR hammer?
S400 MPR Precision 10m with TMP alloy stock.

https://www.youtube.com/channel/UCaCf9G ... A-mGhZQlGw

Cardiologists diet - if it tastes good spit it out.

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John814ce
Posts: 40
Joined: Mon Jan 07, 2019 6:19 pm

Re: Mpr

Wed Feb 13, 2019 8:09 pm

Yes with the 12 ftlbs hammer spring

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