Recent content by 284saum

  1. 284saum

    Quickload update

    Great program.
  2. 284saum

    .22 Creedmoor, anyone?

    No high pressure signs with any load except an ejector mark on the highest IMR 4955 load Varied from below 10, to 40-50 fps on 3 shots All these loads were in virgin brass. Now that the batch is all formed, I will anneal, bump shoulder .002", trim, uniform pockets and flash holes, then get...
  3. 284saum

    .22 Creedmoor, anyone?

    All in one post : Some load results from a 26” 1:7 Tikka 75gr Hornady Amax @ 2.63” OAL .114” jump to lands Alpha Brass Federal 210M large rifle primer H4350 41.4grs - 3403 FPS H4831sc 44.2grs - 3302 FPS IMR 4451 39.3grs - 3256 FPS IMR 4451 40.1grs - 3386 FPS IMR 4955 43.2grs - 3381 FPS IMR...
  4. 284saum

    .22 Creedmoor, anyone?

    that was me who posted the 22cm load results, I've since shot a few more to add : RL16 41.4grs ~ 3490 fps, 1.1moa 3 shots 199 yards RL17 41.8grs ~ 3499 fps, 0.5moa 2 shots 199 yards RL26 46.0grs ~ 3550 fps, 0.8moa 3 shots 199 yards IMR 4451 40.1grs ~ 3386 fps, 1.3moa 3 shots 199 yards Ramshot...
  5. 284saum

    .22 Creedmoor, anyone?

    Should receive a couple of them next week. 26" 1:7 twist, one on a Tikka t3 and the other on a CRF m70 75Amax, 75 Scirocco, 77 LRX, and 88 ELD will be the bullets. Lots of promising powders - RL26, RL23, RL22, H4831sc, Magpro, RL19, RL16, H4350
  6. 284saum

    Caution in the cold

    Last weekend I tested the cold gun/warm gun difference. Day 1, cold rifles (-2F), Day 2, warm rifles (72F). Ammo was cold (-2F) in both days testing Ammo left outside overnight in temps of -25C (-13F) . Was exactly -19C (-2F) when I shot, same as day before with cold gun/cold ammo.. Rifles...
  7. 284saum

    Temperature vs velocity - gun powder

    yes I did. In all 3 days of testing the ammo was kept outside in the cold.
  8. 284saum

    Temperature vs velocity - gun powder

    Interesting data below. Ignition consistency suffers in the cold on average. But that doesn't explain to me, the increase in velocity. Just shows a sloppiness of velocity 223, Dominion small rifle primer (Russian manuf.) Standard deviation of 27 fps at +7c, and SD of 36 @ -19c 6.5cm, CCI 450...
  9. 284saum

    Temperature vs velocity - gun powder

    Day 3 test, ammo left outside overnight in temps of -25C (-13F) . Was exactly -19C (-2F) when I shot, same as day before with cold gun/cold ammo.. Rifles were left inside all night, loaded into warm truck (heater set to 22C / 72F) and left inside the idling truck until ready to shoot. Ruger...
  10. 284saum

    Temperature vs velocity - gun powder

    Day 2 , -19C (-2F) . Rifles/ammo had been outside for hours. So cold they burned the hands packing them to the truck. Another 10 minute cold ride with a warm bum to the range, where they were set outside in the shade. Ruger m77 Scout 223, 55gr Hornady SP, 21.8grs IMR 4198. In +20c (68F) to...
  11. 284saum

    Temperature vs velocity - gun powder

    Well this started out as a quick test of two rifles I hunt deer in November with, to see how sub zero temps effects the load specs. I grabbed my 280 Ackley and 6.5 PRC rifles & ammo, and set them outside for hours at -16c (3F) Also had a few rounds of 6.5 Creedmoor I wanted to blow off so set it...
  12. 284saum

    Quickload info request

    I adjusted start pressure to 5000psi (equivalent to .200" freebore) to get 2960 fps Cartridge : .338 Lapua Mag. Bullet : .338, 250, Sierra HPBT MatchK 2650 Useable Case Capaci: 93.978 grain H2O = 6.102 cm³ Cartridge O.A.L. L6: 3.640 inch = 92.46 mm Barrel Length : 26.0...
  13. 284saum

    6.5 Creedmoor The Ultimate Long Range Varmint and Coyote Rifle?

    Cartridge : 6.5 Creedmoor Bullet : .264, 123, Hornady ELD-M 26176 Useable Case Capaci: 46.783 grain H2O = 3.038 cm³ Cartridge O.A.L. L6: 2.800 inch = 71.12 mm Barrel Length : 22.0 inch = 558.8 mm Predicted Data for Indicated Charges of the Following Powders. Matching...
  14. 284saum

    7 Rem mag R26 load data?

    I can't help much, but 66.6grs RL26 under a 160gr Nosler Accubond is doing 2920 fps in a 24.4" Tikka 7mm Rem Mag. Not a hot load
  15. 284saum

    6.5 creedmoor/6.5 prc recoil

    I have, from my 1:8 Benchmark 6.5PRC, they shoot great