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  1. wadcutter

    Loading 7-08ai with .260ai Redding S series neck bushing die?

    I'm after some reloading die advice on loading my 7-08ai. I have a standard set 7-08ai dies but they produce excessive neck tension. So I want to use the Redding S series neck bushing dies to get better control over neck tension and maybe improve accuracy a bit. Redding S series 7-08ai...
  2. wadcutter

    Other 50's

    Just wondering if anyone here has played with other .50 cal cartridges apart from the .50 BMG for ELR shooting. I am thinking of using a Stiller Tac 408 action to build a .510" calibre wildcat based on the Cheytac series of cartridges. This would use the parent .505 Gibbs case from Bertram that...
  3. wadcutter

    Gunsmithing Reaming a .308 chambar to .30-06ai ??

    What's the best way to do it? Do I have to cut the old chamber off, start fresh and loose barrel length. Or can I just run the .30-06ai reamer into the existing .308 chamber? If so what is the best way to hold the reamer so that it does not wander off line before the pilot enters the bore...
  4. wadcutter

    Gunsmithing Thoughts on roughing out with a twist drill

    I have commissioned a gunsmith to machine up some forming dies for a wildcat cartridge of my own design. I provided him with some blank dies and a new resizer reamer of quite a large size as the wildcat is based on a 505 Gibbs cartridge. He said he would rough out the hole from its .308 cal...
  5. wadcutter

    375gn Rocky Mountain bullet in .375 Cheytac - Starting load wanted

    I have a box of 375gn Rocky Mountain bullets and would like a safe starting load for the .375 Cheytac. Thinking that around 125gn to 127gn of Retumbo with fed 215 primer would be ok, but would like confirmation from someone who has used this bullet if possible. Thanks.
  6. wadcutter

    Large calibre scope survey

    I was wondering what the actual make and scope power range is that everyone is running on their various large calibre rifles rifles for shooting beyond 1000 yards. i.e. .375 Cheytac, 408 Cheytac etc. I have tried running a 8-32x56 NXS on my .375 Cheytac but with the 40moa rail and 15 moa...
  7. wadcutter

    F T/R Competition Long Range F-Class

    In Australia we shoot Long Range F-Class. This is a bit different from normal F-Class in that it starts where normal F-Class ends. We shoot at three distances. 1000 yards, 1100 yards and 1200 yards. Matches are normally 15 shots with three sighters or 20 shots with three sighters on the first...
  8. wadcutter

    Gunsmithing Reamer specs to brass clearance question.

    I hope you lads can give me some advice on reamer specs. I just measured up some new Bertram .375 Chey-tac brass and compared it to the Reamer print I have. Reamer base diameter 0.6419”, Bertram Cases measure 0.634” so about 0.008” slop in the base end of the chamber. Reamer diameter...
  9. wadcutter

    Gunsmithing What .30 cal cartridge for Stiller Tac 408 action?

    I have a Stiller Tac 408 single shot action and I want to make use of it for long range competition work. The bolt face is made to take standard 0.640" size cartridges such as the Cheytac range. I have reason to chamber this action with a .30 cal barrel and would like advice on a suitable...
  10. wadcutter

    Nightforce Unimount

    Anyone using a 20MOA Nightforce Unimount? Looking to gain some extra elevation on one of my rifles to get out to 1500 yards.
  11. wadcutter

    F T/R Competition .284 win and H1000 powder

    Anyone using H1000 powder with 180 grain bullets for F-Open? Seems like it would fill a case quite nicely in a long throated match rifle.
  12. wadcutter

    Photos Cool photo at the BMT lab.

    Here is a photo of a .50 BMG being fired from a universal receiver down a 25m indoor range. This was to test some armour. The time delay camera picks up the action quite well I thought. For a bit of a review on BMT that I wrote, you can read it here.. BMT lab in Melbourne.
  13. wadcutter

    3 day shoot.

    Thought I would share a few photo's of a 3 day shoot I attended this week down here in Australia. Lots of great rifles were shot out to a distance of 1250m in wet conditions. The rain had some interesting effects on accuracy with more vertical than in dry conditions. When the rain eased up the...
  14. wadcutter

    Photos Match grade .416 Barrett ammo.

    New joint venture, match grade .416 Barrett ammo and brass. I was at the launch of this ammo in a shoot held in Australia featuring a shippment of McMillan rifles and ammo produced by BMT in Australia. The brass is inside neck turned, and the brass is made to the highest standard for durability...
  15. wadcutter

    300gn Berger Hybrid B.C. discrepancy.

    The information that is supplied in Bryan Litz book for this .338 calibre bullet has an interesting discrepancy. The book shows following G7 BC numbers. 3000 fps .419 2500 fps .418 2000 fps .413 1500 fps .420 Now compare this to the G1 values shown in the book and a different trend seems to talk...
  16. wadcutter

    .375 cal Berger Bullets

    <div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body"> it was our original plan for the next large diameter bullet to be a 50 cal. This would bookend our line and be the largest diameter bullet we will ever make. After we made the 50 cal we were going to...
  17. wadcutter

    Photos Woodleigh Brass solids on test.

    From Left, two projectiles recovered from 670 yards. Then a projectile recovered from 1097 yards and (right) an unfired projectile for comparison. Bullet expansion is non existent. Betermined G1 B.C. of this bullets was B.C. input of 0.50 at a muzzle velocity of 2505 fps and G1 B.C. of 0.45 at a...
  18. wadcutter

    Have we hit the wall?

    The search for high B.C. .338 calibre bullets for ELR shooting continues in the wake of the recent snipers hide sponsored test results by KnS Ballistic Services. In the past we had high hopes with the Berger Gen I having a predicted B.C. of .455/.889, G7/G1. This proved to be a disapointment...
  19. wadcutter

    Retumbo V Temperature

    I have been playing with Retumbo powder (AR2225) in both a .338 Edge and a .375 Snipe Tac. The results of my testing seem to lean towards some small amount of temperature sensitivity with this powder. Can anyone state for sure just how temperature sensitive this powder is and give some sort of...
  20. wadcutter

    Gunsmithing Barrel

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