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xp-100r HELP!!

 
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  #1  
Old 01-03-2013, 08:15 PM
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Join Date: Nov 2011
Location: Grottoes, Va
Posts: 63
xp-100r HELP!!

Just picked up an xp100r in .260 with leupy bases and a nice burris scope for a good deal. Got dies anand such on the way. Problem is there is not much on the net about these cool little guns. I am looking for the twist rate and some good load data to get me started. Any info would be greatly appreciated.
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  #2  
Old 01-04-2013, 09:11 AM
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Re: xp-100r HELP!!

To find your actual twist rate take your cleaning rod and run it into the muzzle end of the barrel and push it out the chamber end. Put you a tight patch on a loop and pull it back into the bore a little. Mark you a spot on the cleaning rod right next to the muzzle where the rod is sticking out with a magic marker etc. Then allow the rod to rotate as you pull the rod and tight patch down the bore until your marked spot rotates one complete revolution. Measure between the marked spot on the cleaning rod and the muzzle and that will give you your twist rate. It will most likely be 8" or 9" . If it is 8" you can shoot any bullet weight/length you want but if it is 9" you may not be able to stabilize any 140 gr bullets.
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  #3  
Old 01-04-2013, 04:34 PM
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Re: xp-100r HELP!!

Thanks RT. With so much access to the web i guess i forgot to use some common sense old school techniques. Ill check that when i get home. Anyone with load data is more than welcome to chime in as well.
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  #4  
Old 01-04-2013, 10:24 PM
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Re: xp-100r HELP!!

Okay so its what i figured 1:9 I have a starting point now.
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  #5  
Old 01-06-2013, 06:08 PM
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Location: Ronan, MT
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Re: xp-100r HELP!!

Try some Sierra 107 SMK match bullets. These have been very accurate for my XP-100R in a 260AI. I also load Hornady 129 SST hunting bullets for this XP. You can contact most bullet manufacturers to speak with a ballistic technician who can steer you in the right direction with load minimums and maximums. I have taken many a big game animal with both of these bullets. good luck and good hunting. MTG
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  #6  
Old 01-06-2013, 06:14 PM
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Re: xp-100r HELP!!

Good info MT. Thats pretty much what i need to figure out. Lighter bullets for varmints and deer loads as well. Whats your setup with AI and what velocities? Thanks again.
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  #7  
Old 01-07-2013, 10:22 AM
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Location: Ronan, MT
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Re: xp-100r HELP!!

I am getting approx. 3050 with the 107 SMK and approx. 2900 with the 129 SST. I load H4350 for both bullets. Then 260 is a very good caliber in the XP-100R configuration. MTG
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