Xtreme Bullet Reloading Recommendations

This is a discussion on Xtreme Bullet Reloading Recommendations within the MP Reference forums, part of the Smith & Wesson MP Forum category; I'm shooting a MP9 (standard) for matches. I'm new to reloading and I really like Xtreme Bullet's 147gr FP HPCB. However during my last match ...


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Old August 18th, 2012, 10:11 AM   #1
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Xtreme Bullet Reloading Recommendations

I'm shooting a MP9 (standard) for matches. I'm new to reloading and I really like Xtreme Bullet's 147gr FP HPCB. However during my last match I noted that although during fire the rounds were flawless (I wish I could say the same for my shooting) when I unloaded to show clear I noticed the slide of my MP9 was "jammed"; I really had to muscle the slide to eject the live round. My OAL is 1.125-1.130. We're suspecting the flat nose may be a contributor to the "jam".

My question is for those who reload flat points, what would you recommend for the OAL? Also, what is your preference for bullet grain: 124? 135? 147? and why?
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Old September 19th, 2012, 08:52 PM   #2
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Originally Posted by WrecksMP View Post
I'm shooting a MP9 (standard) for matches. I'm new to reloading and I really like Xtreme Bullet's 147gr FP HPCB. However during my last match I noted that although during fire the rounds were flawless (I wish I could say the same for my shooting) when I unloaded to show clear I noticed the slide of my MP9 was "jammed"; I really had to muscle the slide to eject the live round. My OAL is 1.125-1.130. We're suspecting the flat nose may be a contributor to the "jam".

My question is for those who reload flat points, what would you recommend for the OAL? Also, what is your preference for bullet grain: 124? 135? 147? and why?
I had a similar problem requiring some force to eject the live round. I would try loading 5 or 10 rounds each at increasingly shorter lengths. Maybe down to 1.10 in 10 or 15 thousands increments. See what your pistol likes. BUT make sure you make reductions in powder charge as you shorten if you are anywhere near a max load.
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