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The .17 Hornady Mach 2, commonly known as the .17 HM2, is a rimfire cartridge introduced in 2004 by the ammunition manufacturer Hornady, following the successful launch in 2002 of the .17 HMR. The .17 HM2 is based on the .22 Long Rifle "Stinger" case, necked down to .17 caliber (4.5 mm) and using a bullet weighing less than half the weight of a ...
Following the success of the .17 HMR, the .17 Hornady Mach 2 was introduced in early 2004. The .17 HM2 is based on the .22 LR (slightly shorter in case length) case necked down to .17 caliber using the same bullet as the HMR but at a velocity of approximately 2,100 feet per second (640 m/s) in the 17-grain (1.1 g) polymer tip loading.
Watch out for differences between older .17 Ackley Hornet and newer .17 Hornady Hornet. No CIP or SAAMI specs found. .17 HM2: 2004 US 1 [4] R [5] 4.4×18.1mm 2100 [4] 166 [4] 0.158 0.172 0.125 [5] 18.1mm Rimfire .17 HMR: 2002 US 4 [4] [6] [7] [39] R [5] 4.5×26.9mm 2525 [4] 246 [4] 0.195 17 [40] 0.172 [41] 0.125 [5] 26.9mm Rimfire. .17 ...
The .17 HM2 (Hornady Mach 2) is based on the .22 Long Rifle and offers similar performance advantages over its parent cartridge, at a significantly higher cost. While .17 HM2 sells for about four times the cost of .22 Long Rifle ammunition, it is still significantly cheaper than most centerfire ammunition and somewhat cheaper than the .17 HMR.
.17 Hornady Mach 2 (.17 HM2) .172 4.4.714 18.1: Rimmed, rimfire [3].17 Hornady Magnum Rimfire (.17 HMR) .172 4.4: 1.058 26.9: Rimmed, rimfire [4].17-357 RG (.17 Real Guns) .172 4.4: 0.865 22.0: 1.310 33.3: Rimless.357 SIG case based [5] [6] [7] HK 4.6×30mm.183 4.6: 1.201 30.5: Rimless [8] 5 mm Clement (5 mm Clement Auto) .202 5.1.710 18.0: 1. ...
The most common rimfire cartridges are chambered for .17 caliber and .22 caliber. The bullet diameter for .17 caliber firearms generally measure .172 inch (4.37 mm), while the bullet diameter for .22 caliber firearms generally measure .222 inch (5.64 mm).
The .17 PMC/Aguila, also known as the .17 High Standard, is a rimfire cartridge formed by necking down the .22 Long Rifle casing to accept a .172" diameter bullet. This cartridge was developed in 2003 by firearms maker High Standard and ammunition maker Aguila and introduced in 2004.
A variety of rifle cartridges: (1).17 HM2 (2).17 HMR (3).22LR (4).22 Win Mag R/F.22 WMR ... The JSP roughly splits the difference between FMJ and JHP. It gives more ...