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Thread: 22.250 loads

  1. #1

    22.250 loads

    Hi, thinking about joining a local shooting range for use with the HMR and 22.250. Problem is the max bullet velocity allowed on the range is 3000 ft/s. My cureent loads are probably in the 3400 - 3600 range (50g Blitzkings, max load of Benchmark) so thinking of making some heavier loads with less powder.

    My rifle is a 1/14 twist 20" barrel so keeping a heavier load (maybe 60-70 grain) accurate is going to be harder (so ive read). I can obviously pull the data and start making some loads up but thought Id ask the experts on the site what loads have worked best for them. Im using Hodgdon benchmark but do also have a tub of Varget I can get my hands on.

    Any thoughts? Cheers Steve

  2. #2
    I think you should forget about anything heavier than 55gr in a 14 twist barrel.

    Get something along the lines of a 55gr bullet and try and slow it down, I don't know if you can get down to 3000fps safely, but you won't stabilise the heavier bullets with the 14 twist.
    Brian.

    Just because you are paranoid, doesn't mean they aren't out to get you......

  3. #3
    Ive got some 55g remington Accutips that I could have a play with. Will see what the min load info is. May be worth giving 60 grain a try?????

  4. #4
    Steve, if you can beg or borrow a few 60's, then try them. I wouldn't spend the price of box though. Stability is a factor of velocity and twist. You might get the 60's stabilised at full tilt in the 22/250, but I doubt it at the slower speeds.

    Look for some slower powder Rel 19 or H4350. Might be worth a try.
    Brian.

    Just because you are paranoid, doesn't mean they aren't out to get you......

  5. #5
    Thansk Brian...Or I could just find a range that lets me shoot out to 3800 ft/sec

    To be honest I have been thinking about trying some heavier/slower loads, like you say it would be good to get hold of a few first.

  6. #6
    Well its been a while since I started this thread. I have made up the loads I wanted to test but have not really had time to give them a go. Decided to go for a walk this afternoon/evening to bait up an area and thought Id take a few just to try on paper and to check for pressure signs before I increase the powder in my next batch. I am very happy to report that I managed a half inch group at 100 yards with 3 shots (only took 3 out with me), in the dark with my lamp on, it was also -6 deg C. Obviously need to try out to 200 yards but so far so good. Just need some warmer weather and a bit of spare time.

    63 grain Sierra soft point
    28g of Hodgdon Benchmark
    10thou off the lands
    Federal Gold primer.

  7. #7
    Steve, that is interesting. I run my 22/250 on Benchmark, 35.6gr for a 50gr BT. That 63gr Sierra should be a useful load.

    Any idea what velocity might be.
    Brian.

    Just because you are paranoid, doesn't mean they aren't out to get you......

  8. #8
    Quote Originally Posted by Claret_Dabbler View Post
    Steve, that is interesting. I run my 22/250 on Benchmark, 35.6gr for a 50gr BT. That 63gr Sierra should be a useful load.

    Any idea what velocity might be.
    I also use 35g with the 50g Blitzkings. Should be in the 3000 - 3200ft/s region, got more made up with 29g will see how they fly.
    Last edited by 204 Ruger; 19-12-2010 at 16:30.

  9. #9
    This is how my ballistics calculator looks for this round (based on apx ft/sec of 3200), looks quite useful if its close to this and I can keep it straight out to 200 yards+.


    Ballistic Data
    ~~~~~~~~~~~~~~~
    Range Elevation Velocity Energy ETA Drop Max Y 10mph Wind Deflect
    0 yds -1.50 in 3200 fps 1432 fpe 0.000 sec 0.00 in -1.50 in 0.00 in
    25 yds -0.52 in 3094 fps 1339 fpe 0.024 sec 0.11 in -0.57 in 0.07 in
    50 yds 0.23 in 2991 fps 1251 fpe 0.048 sec 0.44 in -0.49 in 0.29 in
    75 yds 0.75 in 2890 fps 1169 fpe 0.074 sec 1.02 in -0.33 in 0.63 in
    100 yds 1.00 in 2792 fps 1090 fpe 0.100 sec 1.86 in -0.11 in 1.16 in
    125 yds 0.97 in 2696 fps 1016 fpe 0.128 sec 2.98 in 0.19 in 1.86 in
    150 yds 0.64 in 2601 fps 947 fpe 0.156 sec 4.40 in 0.58 in 2.73 in
    175 yds 0.00 in 2509 fps 881 fpe 0.185 sec 6.12 in 1.07 in 3.75 in
    200 yds -0.98 in 2419 fps 818 fpe 0.216 sec 8.20 in 1.66 in 4.96 in
    225 yds -2.34 in 2330 fps 759 fpe 0.247 sec 10.65 in 2.37 in 6.40 in
    250 yds -4.12 in 2243 fps 704 fpe 0.280 sec 13.51 in 3.22 in 8.07 in
    275 yds -6.33 in 2159 fps 652 fpe 0.314 sec 16.81 in 4.21 in 9.97 in
    300 yds -8.99 in 2075 fps 603 fpe 0.350 sec 20.56 in 5.35 in 12.08 in
    325 yds -12.18 in 1994 fps 556 fpe 0.387 sec 24.84 in 6.67 in 14.47 in
    350 yds -15.80 in 1914 fps 513 fpe 0.425 sec 29.55 in 8.16 in 16.97 in
    375 yds -20.10 in 1837 fps 472 fpe 0.465 sec 34.94 in 9.89 in 19.88 in
    400 yds -25.12 in 1762 fps 434 fpe 0.507 sec 41.05 in 11.87 in 23.15 in
    Last edited by 204 Ruger; 19-12-2010 at 20:46.

  10. #10
    Stevie,

    Our private fullbore club range has an MOD Safety Certificate, so is let to neighbouring police TFU's for combat practice/training so many days a year.

    The MOD velocity limit is set at 5.56 55grain ball which is 3300FPS. A chronograph is on site for RCO's to check on suspected hot loads.

    Most commercial .22-250 loadings are over the MOD threshold.

    I get round this by using Sierra 63gr SMP set dead on the range limit, and now use that load in the field without any problems.

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