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  1. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" It's just a theory... I have no data to back it up.... mostly an observation and a restless mind trying to find a reason for a POI shift from cold bore to a hot one.
  2. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rocky Mountain</div><div class="ubbcode-body">Some interesting reading on the 375 CT do you feel that at some stage you might get a tighter twist barrel to try...
  3. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" At this point I have 40 down the tube and, I'm not shooting long shot strings... shooting a couple then letting the rifle cool. I'm guessing at the muzzle velocity but, based on the come ups, I just moved the muzzle velocity around till...
  4. J

    who has experience with a USO SN-9?

    Re: who has experience with a USO SN-9? Yeah, I'm having one made it looks like. I was having trouble getting the right riser and, with all invested, I don't want a... fix... I want this done correctly. My gunsmith said he can just make one from scratch. The rifle is shooting GREAT...
  5. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" Well, I popped my cherry today and shot a brux barrel... ( don't know about anyone else's experience but ) my rifle is a fucking hammer. didn't know what the ballistics would be... started off shooting 1056 yds.... dialed up 20moa from a...
  6. J

    who has experience with a USO SN-9?

    Re: who has experience with a USO SN-9? <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Dogtown</div><div class="ubbcode-body">I needed a custom base for my Windrunner when I installed a 3.2-22x SN-9 years ago. </div></div> Looks kind of silly trying to make it...
  7. J

    who has experience with a USO SN-9?

    Re: who has experience with a USO SN-9? Ok, so I figured it out... your base is simply too low for the 80mm objective. This solves that problem. I may talk to my smith first... I suppose I could have a custom base made for something all around stronger...
  8. J

    416 Long Rang

    Re: 416 Long Rang gotcha... my reading fu isn't working today apparently. LOL
  9. J

    416 Long Rang

    Re: 416 Long Rang 416 is derived from a 50bmg case, a 408 is based on a 505 gibbs case... two different action types.
  10. J

    who has experience with a USO SN-9?

    Rob over at RWS had one on consignment till I purchased it yesterday. LOL 10-42x80mm Somebody said the 80mm objective can get in the way with elevation, I think. I suppose I'll have to get a special base with probably no cant in it so leave enough room to twist up the elevation.
  11. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" well, maybe I shouldn't have but, I just popped for an uso sn-9 10-42x80 in mdmoa that I found on consignment..... time to do the scope shuffle again.... expect I'll get it next week.... Based on what I've heard here, I'll probably have...
  12. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Augustus</div><div class="ubbcode-body">Cutting Edge 350, 375, and 400 gr. Three different versions of each, the differences were in the ogives. All were stable...
  13. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" Can I ask how various solids performed from your 6.5 exit? What have you tried? This is an awesome thread by the way. Sounds like you like the cutting edge projos... have you tried Steve's predators from dynamic research? I'm about to...
  14. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Noel Carlson</div><div class="ubbcode-body">Jwoolf, Ideally, a variable geometry would match a specific cartridge at a given temperature. For practical...
  15. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: PAD</div><div class="ubbcode-body">ELR Researcher Thanks for all the insight on Lawton and the SMK, like always a day late and a dollar short.Still building...
  16. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Noel Carlson</div><div class="ubbcode-body">Jwoolf, There is no detectable change in the pressure curve that can be associated with a tight twist. The only...
  17. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Augustus</div><div class="ubbcode-body">I fired several prototypes of the 375 and 400 gr. Cutting Edge bullets from a 13-6.5 gain twist and a standard 8 twist...
  18. J

    375 cal. 10.5 twist 6 groove Lawton Machine, 32"

    Re: 375 cal. 10.5 twist 6 groove Lawton Machine, 32" <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Noel Carlson</div><div class="ubbcode-body">Jwoolf, Even the Cutting Edge bullets perform with greater accuracy from twist rates tighter than jacketed bullets...
  19. J

    Getting rid of a flinch.

    Re: Getting rid of a flinch. <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Greg Langelius *</div><div class="ubbcode-body">I think that focusing on the target is why ergonomics is so important with the shotgun. I think that focusing on the target only works when...
  20. J

    GUNSITE XLR & BULLET TEST PHASE 2

    Re: GUNSITE XLR & BULLET TEST PHASE 2 <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Noel Carlson</div><div class="ubbcode-body">Whiskey, Not only do you need to *thoroughly* clean the bore when going from jacketed to solid, but also when going from C-360 brass...
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