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Thread: .308 WIN sub-sonic factory amo

  1. #1

    .308 WIN sub-sonic factory amo

    Please may I ask for some advise:

    I want to do some target practice from different unsupported positions at, typically, 25-50 Meters. My objective is getting familiar with a new rifle and ching-sling (so the amo is not for hunting use) and keeping the noise down while practicing! Accuracy is not what I am after, just creating 'muscle memory' for unsupported standing or kneeling shots.
    Is this type of factory amo generally available, what is the typical cost, and are there any issues (safety?) when using sub-sonic amo in a rifle with a twist and moderator designed for standard amo?
    Thank you
    • Do not be seduced by the marketing-men....

  2. #2
    you need a good backstop as they bounce around a bit !

    you will be hard pressed to find factory and even harder pressed to find it at reasonable money and even then your rifle may not shoot it well?

    sounds to me like you need either some snap caps or a .22lr of similar build to your 308 ?
    Right where's those stones , I'll start !

  3. #3
    You will get the majority of benefit from dry firing. Failing that then one of the laser-aim type systems may be a good solution?

    Not looked deeply, but the only subsonic 308 I've noticed of late was in a trade list for Law Enforcement supplies and was strictly by the case of 1000.
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  4. #4
    Quote Originally Posted by Erik Hamburger View Post
    Please may I ask for some advise:

    I want to do some target practice from different unsupported positions at, typically, 25-50 Meters. My objective is getting familiar with a new rifle and ching-sling (so the amo is not for hunting use) and keeping the noise down while practicing! Accuracy is not what I am after, just creating 'muscle memory' for unsupported standing or kneeling shots.
    Is this type of factory amo generally available, what is the typical cost, and are there any issues (safety?) when using sub-sonic amo in a rifle with a twist and moderator designed for standard amo?
    Thank you
    Availability and cost? Sorry can't help with those questions
    I did buy some a couple of years ago,
    It was Swiss, FMJ, 200 grain, 1050ish fps
    Noisy despite being a subsonic round and altho accurate to 60ish yards dropped dramatically and skipped/bounced into the backstop.
    Had no issues using it other than the lack of range

  5. #5
    Quote Originally Posted by Archer View Post
    Availability and cost? Sorry can't help with those questions
    I did buy some a couple of years ago,
    It was Swiss, FMJ, 200 grain, 1050ish fps
    Noisy despite being a subsonic round and altho accurate to 60ish yards dropped dramatically and skipped/bounced into the backstop.
    Had no issues using it other than the lack of range
    You say you want to get hold of subsonic factory ammo, but surely reloading a cast bullet would be safer, much cheaper and easier? I'm currently playing around with cast bullets and Trail Boss (though a small quantity of almost any fast powder - Unique, Red Dot, etc.) will do. These will push a cast bullet at 1000-1400fps (or slower if you're careful). Plus, if you're using soft lead rather than jacketed bullets, your probability of ricochet is much decreased, since they'll tend to flatten rather than bounce / tumble on impact.

    Someone mentioned a .22LR - well - you can't get down to that kind of energy level, but as little as 400ftlbs with a 100-115gr bullet should be achievable. At that energy, the round will give little to no recoil and a be very cheap source of plinking ammunition. Probably still a bit much to be a rabbit gun, but you're only 100ftlbs over an HMR at much lower velocity...

    Just a thought.

  6. #6
    Quote Originally Posted by neutron619 View Post
    You say you want to get hold of subsonic factory ammo, but surely reloading a cast bullet would be safer, much cheaper and easier?
    Yes, thank you, a good solution for those who re-load - but I am not one of them yet.
    • Do not be seduced by the marketing-men....

  7. #7
    A simple Lee loader would do the job without a great deal of expense. I use 4.9g of Viht N310 and a 115g cast soupcan or round nose boolit, very accurate (at 25m) and has a MV of 978fps and a ME of 244lbs.
    There's room for all Gods creatures ........... right next to the mash and gravy

  8. #8
    Quote Originally Posted by Erik Hamburger View Post
    Yes, thank you, a good solution for those who re-load - but I am not one of them yet.
    If you do want to reload then 9.5gr N320 mag primer and 200gr Lapua sub-sonic is a very good sub-sonic .308 load.

  9. #9
    Quote Originally Posted by phaedra View Post
    A simple Lee loader would do the job without a great deal of expense. I use 4.9g of Viht N310 and a 115g cast soupcan or round nose boolit, very accurate (at 25m) and has a MV of 978fps and a ME of 244lbs.
    I use the same load as well if you want cast bullets dodyrog off here makes them
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