6.2.2 U.S. Rifl e, Caliber 7.62mm, M14
The rifl e must be a rifl e that was issued by the U.S. Armed Forces or a commercial
rifl e of the same type and caliber. M14 rifl es must be chambered for
the 7.62mm cartridge and comply with the following specifi c requirements.
(1) Stock dimensions must be no more than 2 inches wide at a point immediately
to the rear of the front band, no more than 2.5 inches wide at the
front and rear of the receiver, and have a continuous taper from receiver
to front band. The width at the receiver may be carried through to the butt
plate.
(2) To improve operation, the spindle valve may be locked in the open position
and the gas cylinder plug may be altered by making an axial hole in
the center that is approximately 1/64” in diameter.
(3) The hinged butt plate may only be used in the folded position.
(4) The M1 Garand butt plate may be used as a substitute for the standard
M14 hinged butt plate.
(6) Magazine capacity may not exceed 20 rounds. All M14 or similar commercial
rifl es must be used with full-length 10 or 20 round capacity magazines.
Magazines with a maximum capacity of 10 rounds may be used,
provided the length of the magazine box is the same as the standard
service 20-round magazine.
(7) Vented barrel extensions with the same external dimensions as the M14
fl ash suppressor, but without the bayonet lug, may be installed. A muzzle
brake designed to reduce recoil is not permitted.
(8) The rifl e must comply with external and stock dimensions given in the
table below.
table below:
Ref. Maximum allowable dimensions
(1) Depth immediately behind stock ferrule 3 ¼”
(2) Depth at front end of trigger housing bedding pads 4”
(3) Depth at front toe of pistol grip 6 ⅛”
(4) Depth at toe of stock 8”
(5) Distance from rear of magazine (inserted and
locked) across top of magazine release to toe of
pistol grip
Not less than
6 ¼”
(6) Width at front end of trigger housing bedding pads 2 ½”
(7) Total length from tip of suppressor to butt plate 45