Hornady® .17 HMR 20gr XTP Rimfire Ammo
Hornady®'s 17 HMR 20 grain XTP delivers the same eXtreme Terminal Performance that made the XTP line of handgun bullet famous. Purposely built for larger, tougher varmints, the 20 grain XTP bullet is engineered to deliver controlled expansion and deep penetration. With a muzzle velocity of 2375 fps, the 20 grain XTP is more than enough for your toughest varmint control task. 50 rounds per box.
Rated 4.6 out of 5 by 11 reviewers.
Rated 5 out of 5 by lefty7 Great Unlike that very long review, this ammo does not destroy a squirrel. I shot 4 squirrels all in the chest with this ammo and a very small, nice neat hole with no exit. Not a lot of blood at all and they all died instantly. Unlike the hornady 17 grain with the ballistic tipped (red plastic tip), these do not completely destroy the animal. Those 17 grain blow out the varmit. June 1, 2013
Rated 5 out of 5 by StobDonkey Good stuff This is one wicked bad little round. Devistating on anything it connects with. February 27, 2013
Rated 5 out of 5 by Suite17 Hornady .17 HMR 20gr. Reviewed I have benched and field tested the following major manufacturers .17 HMR ammo on the market. CCI, Remington,Winchester,Hornady and Federal. When testing every available type of .17 HMR round produced by the manufacturer was used. 17gr through 20gr, FMJ, JHP, Nylon tipped configurations were tested. The bench tests were performed both at outdoor ranges up to 275 yards as well as indoor ranges out to 75 yards. In the field the rounds were tested in various conditions. Air temperatures from 104 to 20 degrees F. Calm to gusting winds up to 35 mph. Test days ranged from dry and sunny to freezing rain / snow. Targets varied from paper and wooden targets / wooden silhouettes of 1 inch thickness, up to 3/8 thick steel plates and of course live game as well. Both Marlin and Savage .17 HMR rifles were used for the testing. The following review is offered to you from experience gained in these tests. Staged Targets/Silhouettes Type Ammo: Hornady .17 HMR 20gr FMJ Accuracy: Excellent Speed: Excellent Power: Excellent Penetration: Excellent ( clean punch through 3/8 steel plate at 50 yards, complete penetration and conical exit damage through 1/8 Galvanized plate over 1 inch thick wooden board at 125 yards) Note: .22 Long Rifle round merely left a heavy dent in the plate during this test. Damage: Excellent Trajectory: Very good (Push out from heavy cross winds, straying from heavy rainfall effected rating) Game Type Ammo: Hornady .17 HMR 20gr FMJ Accuracy: Excellent Speed: Excellent Penetration: Excellent Damage: Very good (The round is over powered for smaller game such as Squirrel and some Rabbits damage to the target is extensive enough to render some of the meat useless) Recommended for Woodchuck or larger up to Coyote depending on distance to Coyote. Under 100 yards is preferred for .17 HMR. Trajectory: Very good (Push out from heavy cross winds, straying from heavy rainfall effected rating) Overall rating: Excellent Other Ammo performed well also. However it is out of the scope of this review. February 20, 2012
Rated 5 out of 5 by Bombardier Best Ammo Have shot remington and this is much more accurate and precise. January 4, 2011
2 Questions | 8 Answers
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Details:See this is the thing, i just got this Colt .22 m16 spr rifle(my first gun) and i am now looking for good ammunition. I heard that Hornady is some of the best ammunition for gun's overall. So the question is will this Hornady® .17 HMR 20gr XTP Rimfire Ammo fit/ work in my gun.
A:No it does not the 22 lr is way shorter and and slimmer than the 17hmr it says on the barrel what kind of ammo it takes.
A:Do not use .17 HMR ammo in any firearm chambered for the .22 WMR cartridge. The .17 HMR is based on the necked down .22 WMR case, but they are not interchangeable at all. Hornady now makes .22 WMR ammo using the XTP design.
A:Obviously your question has been answered. I only want to add that the 17HMR performs better in bolt action rifles than in Automatics. There is a issue with the 17HMR crimping in the semi-automatics. The 17 Mach 2 rounds being shorter have the advantage and work very well in semi-automatic.
Performance of the ammo does vary somewhat and depends on your purpose for the round as to which HMR vs Mach2 is right for you.
A:The .17 HMR cartridge is a .17 caliber bullet in a necked down .22 WMR case. The .17 HM2 ( Mach 2) is the .17 caliber bullet in a necked down .22 Long Rifle case.
A:THE HMR IS A NECKED DOWN 22 MAGNUM WHERE AS THE 17 MACH IS A 22 LONG RIFLE NECKED DOWN. A LOT MORE POWER AND RANGE WITH THE HMR
A:The 17HMR is a necked down 22 mag shell to a 17 caliber.
The 17 M2 is a 22 long rifle necked down to a 17 caliber.
A:A 17 HMR is a 22 mag necked down to a 17cal bullet. A 17 Mach2 is a 22 long rifle necked down to a 17 cal bullet. The HMR is a lot faster About 2500 fps.
A:The 17 HMR is based off of a 22 HMR cartridge which has been necked down to the 17 caliber. The 17 HM2 (aka Mach 2) is shorter and is based off of the 22 LR cartridge. The 17 HMR has a higher muzzle velocity than the 17 HM2. These cartridges are not interchangeable and must only be fired from a gun designed to shoot either cartridge.
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