.17 Winchester Super Magnum, commonly known as the .17 WSM, is a
rimfire rifle
cartridge developed by the ammunition company
Winchester
Winchester (, ) is a City status in the United Kingdom, cathedral city in Hampshire, England. The city lies at the heart of the wider City of Winchester, a local government Districts of England, district, at the western end of the South Downs N ...
in 2012. It descended from a .27 caliber
nail-gun blank
Blank or Blanks may refer to:
*Blank (archaeology), a thick, shaped stone biface for refining into a stone tool
*Blank (cartridge), a type of gun cartridge
*Blank (Scrabble), a playing piece in the board game Scrabble
*Blank (solution), a solutio ...
cartridge by necking down the blank case to take a .17
caliber
In guns, particularly firearms, but not #As a measurement of length, artillery, where a different definition may apply, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel Gauge ( ...
(4.5mm) bullet. Initial loadings were with a bullet, delivering muzzle velocities around .
Development
Winchester, in conjunction with
Savage
Savage may refer to:
* Savage (pejorative term), a derogatory term to describe a member of a people the speaker regards as primitive and uncivilized
Arts and entertainment Fictional characters
* Bill Savage, in the 2000 AD ''Invasion!'' ...
, introduced this cartridge at the 2013 SHOT Show.
The brass case for this round is roughly 50% thicker than the
17 HMR
.17 Hornady Magnum Rimfire, commonly known as the .17 HMR, is a rimfire rifle cartridge developed by Hornady in 2002. It was developed by necking down a .22 Winchester Magnum Rimfire case to take a .17 caliber (4.5mm) projectile. Commonly load ...
, and the max average internal pressure is 33,000 psi, compared to the 17 HMR's 26,000 psi.
The 17 WSM is not compatible with firearms chambered in 17 HMR and vice versa as the two cartridges have different dimensions.
Factory ammunition
Factory ammunition is available from Winchester, Federal, American Eagle. Federal Ammunition American Eagle 17 Win. Super Magnum cartridges are currently only available with 1.3 gram (20 grain) polymer-tipped projectiles rated at 914 m/s (3,000 fps) at the muzzle.
Several options from Winchester are available, including Varmint HV 17 Winchester Super Magnum with a 1.3 gram (20 grain) polymer-tipped projectile rated at 914 m/s (3,000 fps), Varmint HE 17 Winchester Super Magnum with a 1.6 gram (25 grain) polymer-tipped projectile rated at 793 m/s (2,600 fps), and Varmint-X 17 Winchester Super Magnum which is available with a lead-free 1 gram (15 grain) polymer tipped projectile, rated at 1,006 m/s (3,300 fps).
Firearms
Currently, rifles firing the 17 WSM are the Savage B-Mag bolt action, heavy barrel B-mag target edition. Ruger Model 77/17, Winchester 1885 Low Wall single shot, and the semi-automatic
Franklin Armory F-17.
The F-17 is the first gas-piston operated rimfire firearm designed to handle the higher pressures of this cartridge. Also recently Jard Inc. joined this list with their J71 17 WSM AR 15 rifle.
See also
*
4.5×26mm MKR
The 4.5mm MKR, also known as the 4.5mm Interdynamic or 4.5mm Kjellgren, was a Swedish prototype rimfire cartridge
Rimfire ammunition (also rim-fire) is a type of metallic cartridge used in firearms where the primer is located within a holl ...
*
.17 HMR
*
4 mm caliber
This is a list of firearm cartridges which have bullets in the to caliber
In guns, particularly firearms, but not #As a measurement of length, artillery, where a different definition may apply, caliber (or calibre; sometimes abbreviated ...
*
Table of handgun and rifle cartridges
This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load (e.g. the highest muzzle energy might not be in the same ...
References
External links
Super .17 WSM: Savage B-Mag Review
{{DEFAULTSORT:17 Winchester Super Magnum
Pistol and rifle cartridges
Rimfire cartridges
Winchester Magnum rifle cartridges