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Data last updated on 2020-09-28 @ 11:12:09am(EST)

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.17 HM2 Ammo

In Stock .17 HM2 Ammo For Sale- Top Ammo Vendors Available

.17 HM2 Ammo is an excellent choice due to its extremely high velocity. This caliber produces flat trajectories and superior medium-range accuracy, though the lightweight of the projectile makes it somewhat susceptible to crosswinds at a long-range.

The .17 Hornady Mach 2, or .17 HM2, is a rimfire cartridge introduced in 2004 by the ammunition manufacturer Hornady, following the successful launch in 2002 of the .17 HMR.

.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 typical .22 Long Rifle bullets.

About: .17 HM2

  • Type: Rimfire
  • Place of origin: United States
  • Designer: Hornady
  • Designed: 2004
  • Manufacturer: CCI/Hornady/Eley
  • Produced: 2004–Present


  • Parent case: .22 Long Rifle
  • Bullet diameter: .172 in (4.4 mm)
  • Neck diameter: .180 in (4.6 mm)
  • Shoulder diameter: .226 in (5.7 mm)
  • Base diameter: .226 in (5.7 mm)
  • Rim diameter : .275 in (7.0 mm)
  • Rim thickness: .043 in (1.1 mm)
  • Case length: .714 in (18.1 mm)
  • Overall length: 1.00 in (25 mm)
  • Primer type: Rimfire

Ballistic performance

Bullet mass/type Velocity Energy
17gr(1g)V-Max 2,100ft/s(640m/s)166 ft⋅ lbf(225J)

Discover the list of in-stock .17 HM2 Ammo for sale in one place from various ammo retailers. Bulk Cheap Ammo is your one-stop ammo search engine or comparison shop to find in stock ammo deals from multiple ammo vendors.

Remember, at Bulk Cheap Ammo, we do not sell ammunition. We only show the list of in-stock ammunition from different ammo vendors list with us. With natural & advance search navigation, we save your time to find cheap ammo deals.

The .17 Hornady Mach 2 Rimfire cartridge is an excellent choice for varmint hunting to its accuracy and flat shooting.

If you need .17 HM2 Ammo in bulk and box quantity, we have it all listed. Choose your retailer and shop product you are looking for. Here you can find bulk ammo & discount coupon codes for your favorite ammunition.

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ATTENTION: The following locations have ammunition restrictions.

California - Retailer must ship to FFL.

Connecticut - Retailer must have your ACE or Pistol Permit and State ID on file or ship directly to and FFL.

Illinois - Retailer must have your FOID and State ID on file.

Illinois (Chicago) - Retailer must ship to an FFL.

Massachusetts - Retailer must have your ACE or Pistol Permit and State ID on file or ship directly to an FFL.

New York - Retailer must ship to an FFL.

New York (New York City) - No ammo shipments allowed.

New Jersey - A copy of your current Drivers License and Firearms Purchaser ID Card are required before a retailer can ship the order.

Please check local laws and shipping policy before placing an order.