3.1.1 Service Rifle-U.S. Rifle, Caliber 7.62 min M 14 as issued by the U.S.
Armed Forces or the same type and caliber of commercially manufactured
rifle, having not less than a 4 1/2 pound trigger pull, with standard type stock
of wood or synthetic material. 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. Width at receiver may be carried through to the butt plate, which may be
the flat M-1 or hinged M-14 plate and standard leather or web sling. The rifle
must be so adjusted as to be incapable of automatic fire without removing the
stock and changing parts. In all courses and in all positions the 20-round box
magazine or a reduced capacity magazine of the same external dimensions will
be allowed. The hinged butt plate will be used only in the folded position. The
gas system must be fully operational. External alterations to the assembled arm
will not be allowed. The application of synthetic coatings, which includes
those containing powdered metal, to the interior of the stock to improve
bedding is authorized provided the coating does not interfere with the function
or operation of safety features. The front and rear sights must be of United
States Army design, but may vary in dimensions of rear sight aperture and front
sight blade. The internal parts of the rifle may be specially fitted and include
alterations that will improve the functioning and accuracy of the arm, provided
such alterations in no way interfere with the proper functioning of the safety
devices as manufactured. For stock dimension see diagram.
KEY
Stock Dimensions for M-14/M-1-A.
Assembled Rifle Height from bench (baseline)-All measurements are
maximum allowable except "E"
A -Depth immediately behind stock ferrule - 3 1/4"
B -Depth at front end of trigger housing bedding pads - 4"
C -Depth at front toe of pistol grip - 6 1/8"
D -Depth at toe of stock - 8"
E -From rear of magazine (inserted and locked), across top of magazine
release to toe of pistol grip - not less than 6 1/4"
F -Width at front end of trigger housing bedding pads - 2 1/2"
G -Total length from tip of suppressor to butt plate - 45"
StockAlone
H -Width immediately behind stock ferrule - 2''
I -Width at rear ofstock- 2 1/2''
J -Depth immediately behind front stock ferrule - 1 3/4''
K -Depth where tips of trigger housing bedding pads will rest - 2''
L -Depth from toe of pistol grip to comb of stock - 4 1/2''
M -Depth at buttplate - 5 1/2"
N -Total length from stock ferrule - 33 1/2" with butt plate (minimum 32 1/2")
One must remember that Highpower was not only devised to develop civilian marksmanship, but to also serve as a test bed for the military's service rifles. Taking the service rifle to its limits has always been a side benefit of the sport.
