New customer? Please register. Full Metal Jacket "FMJ" rounds are the most common bullet types loaded into a range, or training round. The core of the bullet is a pure lead core. It is encased in a copper jacket in brass cased rounds, steel may have a Bi-Metal Jacket with the bottom of the bullet showing the exposed lead core. The "Boat Tail" description refers to the shape of the bullet. The rear of the bullet tapers inward, just like the hull of a boat.
Meyers' New "Pocket Rocket". There are a lot of different bullets and acronyms out there. What is the difference? Is one better or worse to shoot than the others? Using a Bushmaster M4A3 if that makes any difference. You might start by reading the ammo FAQ at the top of the page. For my carbine, I have switched to reloading FMJ's for the typical yard range shoots. The BT's are sexy and reload easier , but for the average yard or less rifle-range the FMJ's seem to be the way to go based on the studies I've read.
The base of the bullet has a lot to do with how consistently it will be pushed out of the muzzle. On the other hand, well made FMJ bullets can be very accurate, while not-so-well-made FMJ bullets can shoot like crap. Reducing drag gives the bullet three distinct performance advantages:.
Shooting indoors is a great way to reduce variables and ensure accurate shot placement. However, if you are shooting outdoors, you will eventually have to deal with cross winds. Placing the bullet at the vitals is crucial for long-range hunters and boat tails can reduce the effects of cross wind on a bullet. As the bullet travels from the barrel to the target, it will slow down and loose forward energy.
Having a bullet that maintains speed and energy is once again crucial to long-distance rifle hunters, making boat tail an ideal choice when energy and mushrooming is required. As the bullet loses speed, it also drops rapidly. With boat tail bullets, there is generally a reduction in drop, resulting flatter trajectory. This makes for superior shot placement for both hunting and target shooting.
Federal Ammunition American Eagle. There is a theory that gas in the barrel could escape ahead of a boat tail round, disrupting performance, but the results seem negligible. The prices of boat-tail ammo may be slightly higher, but not so high that you would avoid using these rounds over others.
The bottom line with boat tail is that most shooters and casual plinkers will not notice an extreme difference in performance. However, if you are an experienced competition shooter or need a round for a clean hunting shot at or yards, you may find the boat tail is an ideal choice. Be sure to practice with both boat tail and flat-based options to see which works best in your rifle and shooting conditions.
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The Lodge AmmoToGo. Look for tips for the range here.
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