7.62×40mm Wilson Tactical

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7.62×40mm Wilson Tactical
United States of America
Production history
DesignerKurt Buckert[1]
Designed2011[1]
ManufacturerWilson Combat[1]
Produced2011-present[1]
Specifications
Parent case5.56×45mm NATO[1]
Case typeRimless, bottleneck[1]
Bullet diameter.308 (7.82 mm)
Base diameter.377 (9.58 mm)[1]
Rim diameter.378 (9.6 mm)[1]
Rim thickness.045 (1.14 mm)[1]
Case length1.565 (39.75 mm).[1]
Overall length2.250 (57.15 mm)[1]
Rifling twist1-12"[1]
Primer typeSmall rifle[1]
Ballistic performance
Bullet mass/type Velocity Energy
110 gr (7 g) Sierra HP 2,600 ft/s (790 m/s) 1,650 ft⋅lbf (2,240 J)
110 gr (7 g) Barnes TTSX 2,400 ft/s (730 m/s) 1,407 ft⋅lbf (1,908 J)
125 gr (8 g) Nosler Ballistic Tip 2,350 ft/s (720 m/s) 1,533 ft⋅lbf (2,078 J)
125 gr (8 g) Speer TNT 2,400 ft/s (730 m/s) 1,598 ft⋅lbf (2,167 J)
Test barrel length: 20" for the 110gr Sierra HP, 16" for all others
Source(s): http://shopwilsoncombat.com/Wilson-Combat-Custom-Ammunition/products/414/

The 7.62×40mm Wilson Tactical (7.62×40mm WT) is a

AR-15
-type rifle using as many standard components as possible.

Design

The 7.62×40mm WT (Wilson Tactical)

twist rate of 1-12".[1] Wilson Combat states that heavier bullets can be used in a barrel with a 1-8" twist rate for subsonic loads.[4]

Cartridge use

Wilson had been hunting feral hogs with both the .30 Remington AR and .300 AAC Blackout. However, since most feral hog hunting is performed at night, he did not like looking for proprietary brass cases after he had fired them and designed the 7.62 X 40mm around the inexpensive and readily available 5.56 NATO cartridge.[1][3] (The 7.62x40mm WT is a cartridge designed by Kurt Buchert and brought to market by Wilson Combat. )

The 7.62×40mm WT is designed for both tactical and defense rifles and for

feral hogs, particularly for hunters who want to use an AR-15, but cannot legally use the 5.56 round, due to its low power factor on game.[8]

Firearms writer Wayne Van Zwoll describes the round as being very accurate.[9]

Firearms chambered for 7.62×40mm WT

Since the 7.62×40mm WT is based upon the

M249 in 7.62 WT.[13]

Because of Wilson's modification to the parent case, some capacity is lost in a standard AR-15 magazine. Wilson partnered with Lancer to produce a true 20-round magazine for the 7.62 X40 by removing the feed guide rib inside the magazine and sells the magazine as a "Lancer 1.5".[14]

Cartridge availability

Out of production, replaced by the 300 HAM'R[15] Wilson Combat currently (2011) offers custom loaded 7.62×40mm WT ammunition with bullet weights of 110gr and 125gr, but the cartridge can also be hand-loaded using new

brass available from Wilson Combat, or by using 5.56mm NATO - preferably Lake City - and the appropriate sizing/forming dies available from Lee Precision and Wilson Combat.[14]

See also

References

  1. ^
    ISBN 978-1-4402-4642-5
    .
  2. ISBN 978-1-4402-4055-3
    .
  3. ^
    ISBN 978-1-4402-3847-5
    .
  4. ^ a b Snow, John B. (4 April 2011). "Wilson Tactical 7.62x40: Another New AR Cartridge". Outdoor Life.
  5. ^ Mann, Richard (1 November 2011). "7.62×40 WT".
  6. ^ "Wilson Combat's New 7.62×40 WT Cartridge for AR Platform". Accurate Shooter. 2011.
  7. ^ Staff (2011). "Wilson Combat Introduces 7.62x40 WT Cartridge". American Rifleman.
  8. ISBN 978-1-4402-2876-6
    .
  9. ISBN 978-1-63450-971-8
    .
  10. ^ Garrett, Rob (2 February 2013). "WILSON COMBAT SBR TACTICAL 7.62×40 WT". Tactical Life.
  11. ^ a b Sweeney, Patrick (18 May 2012). "Review: Wilson Combat 7.62×40".
  12. ^ "Wilson Combat's 7.62x40WT (Wilson Tactical) Review". RifleShooter.com. 11 August 2012.
  13. ^ Johnson, Steve (2011). "M249 SAW in 7.62x40mm WT / .300 AAC BLK / 7.62x39mm and 7.62x51mm Conversion Kit". TheFirearmBlog.
  14. ^
    ISBN 978-1-4402-3542-9
    .
  15. ^ "300 Ham'r".
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