.22 long rifle

.22 long rifle
.22 long rifle cartridges. The one on the right is a hyper velocity "Stinger" with a longer case and lighter bullet.
TypeRifle
Place of originUnited States
Production history
DesignerJ. Stevens Arms & Tool Company
Designed1887
Produced1887–present
Variants.22 Long Rifle Stinger
Specifications
Parent case.22 long[1]
Case typeRimmed, straight[1]
Bullet diameter.223 in (5.7 mm) – .2255 in (5.73 mm)[1]
Neck diameter.226 in (5.7 mm)[1]
Base diameter.226 in (5.7 mm)[1]
Rim diameter.278 in (7.1 mm)[1]
Rim thickness.043 in (1.1 mm)[1]
Case length.613 in (15.6 mm)[1]
Overall length1.000 in (25.4 mm)[1]
Rifling twist1:16"[1]
Primer typeRimfire[1]
Maximum pressure24,000 psi (170 MPa)
Ballistic performance
Bullet mass/type Velocity Energy
40 gr (2.6 g) solid[2] 1,200 ft/s (370 m/s) 131 ft⋅lbf (178 J)
38 gr (2.5 g) copper-plated HP[2] 1,260 ft/s (380 m/s) 134 ft⋅lbf (182 J)
32 gr (2.1 g) copper-plated HP[2] 1,430 ft/s (440 m/s) 141 ft⋅lbf (191 J)
31 gr (2.0 g) copper-plated RN[3] 1,750 ft/s (530 m/s) 204 ft⋅lbf (277 J)
30 gr (1.9 g) copper-plated HP[3] 1,640 ft/s (500 m/s) 191 ft⋅lbf (259 J)
Test barrel length: 18.5 in (470 mm)
Source(s): [2][3]

The .22 long rifle, also known as the .22 LR or 5.7×15mmR,[4][5] is a type of .22 caliber rimfire ammunition from the United States. It is used in a wide range of firearms including rifles, pistols, revolvers, and submachine guns.

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 SAAMI/ANZI. "American National Standard Z299.1-1992." SAAMI (Newtown, Connecticut USA) November 24, 1992.
  2. ↑ 2.0 2.1 2.2 2.3 "Federal Cartridge Co". Archived from the original on September 27, 2007. Retrieved September 25, 2007.
  3. ↑ 3.0 3.1 3.2 Simpson, Rich. "Remove pesky rodents with sure-shot rimfire rifles". Times-News (Twin Falls, Idaho, USA) March 28, 2008.
  4. ↑ Capt. Nick [Morton] (2020-04-22). "Let's talk about … ammunition". Campbell College Combined Cadet Force. Archived from the original on March 28, 2023. Retrieved 2022-07-27.
  5. ↑ Bartocci, Christopher R. (2014-07-18). "Conversion in .22 Long Rifle for the Black Rifle: Part 1". SmallArmsReview. Archived from the original on September 21, 2021. Retrieved 2022-07-27.
This article is issued from Wikipedia. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.