308, was hitting within a foot at that range. so, figuring out wind will be the same for a slower bullet as with a faster one, just less adjustment for the faster.Īlso, the longest shooting i've done is 800 yrds, with a. mainly because whether the bullet is going 2400 or 2700 (muzzle) the wind will still affect it on longer ranges. You both are right, i didn't figure in the wind aspect. They're often more accurate at the CLOSE ranges the cops shoot at <100 yards than a 24-26" barrel but they trade off long-range accuracy, via beating the wind. That's often why you'll see modern POLICE tactical rifles with 18 and 20" barrels. There's a reason these guys shoot their bullets so fast.and it's not because they like recoil.Īdded for clarity: All other things being equal, at close range, say 100 yards or less, a shorter barrel MAY be more accurate because of less barrel whip/improved harmonics. The guy that set the recent 50 BMG record of 5 shots into 1.95 inches +/- at 1000 yards was shooting 800 grain nominal solids at around 2900-3000 fps. The quicker a bullet gets to the target, the less time the WIND TROLL has to screw with it. But in the real world beyond 400 yards, the wind is CRITICAL to accuracy and having a bullet with a high ballistic coefficient and high muzzle velocity makes for much more accurate shooting. Now, if you are talking about PURE accuracy at 100 yards, no, barrel length and velocity don't matter, as long as all is supersonic. The slower a bullet goes, the more the wind affects it and the more critical range estimation is. Then I guess you haven't done a lot of long range shooting beyond a ballistic calculator. i don't plan on shooting beyond that anyway. this round (according to a ballistics calculator) is still well above supersonic past 1500 yrds. My 50 has a 21" barrel,its shooting 1.25MOA with match rounds and is getting 2400 FPS (tested with chrony). The only time a round is adversly affected by speed, is when the bullet slows down to subsonic, thats when it looses accuracy. Sorry, but i don't belive barrel length has anything to do with accuracy and therefore, long-range shooting (within reason, like under 1500 yrds or so) Of course, go/nogo gauges would also be needed, which I believe another manufacturer sells (Spider Arms?), as well as a strap wrench which might work well with the Bohica nut. But it would be similar to an AR barrel nut wrench, iirc. But the 24" will reach out well beyond 1000 yards accurately, it just takes the bullet more time and thus has more drop.īohica barrels are replaceable, as the design is similar to the Savage, though the tool for the nut isn't available (yet). These numbers are a guess based on an admittedly faulty memory, so hopefully someone will chime in withe better numbers. There is a larger velocity reduction between 24" and 30", vs between 30" to 36". If you are intending to use it for match shooting, there is no substitute for a longer barrel, and you will probably want to add more weight to the gun via lead in the stock, etc. And there are aftermarket pins that have a sling swivel stud on them, which allows for a pull ring to make it even easire if the pins are tight. For some reason, everyone seems to want to have a case that holds the rifle fully assembled, which seems narrow minded to me since even the 36" breaks down to a reasonable length with the two push pins. Also, finding a case for it will be MUCH easier and cheaper. What are you intending to do with it? If you are just plinking and informal target shooting, or will have to carry it more than range parking lot to the bench, you will appreciate the lighter weight of a shorter barrel. How fast can you exfiltrate with a 20-30 lb rifle? j/k. They're big, heavy, slow to load (except M82), and you can't just shoot them anywhere so the 30" tube really isn't that restrictive. Just know that 50 is never really convenient. I think 29" is a practical minimum unless you have a very compelling reason to go with something shorter. Lots of factory guns seem to coalesce around the 29-32" figure, including the Barrett M82, AR-50, Viper, Barrett M99, State Arms Shorty, etc. Match folks tend to trend toward an ideal of 32 to 34 for maximum velocity. The problem is that your velocity will be much less with the 24 than a 30 or 36 so your range estimation will have to dead nutz and the bullet will be blown further by the wind than with a 30 or 36" barrel.įor general use, the 30" is probably the best compromise. The bullet will still go plenty far with either. Could I get away with the 24"?Įffective range is not really the issue. Would be the effective ranges for the 50 BMG cartridge in a 24" vs 36". I'm looking at 24" vs 30" barrel length in a Bohica upper. I sure this has been discussed before but I can find seem to find it.
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