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DEPARTMENT OF THE
TREASURY BUREAU OF
ALCOHOL, TOBACCO AND FIREARMS WASHINGTON, DC 20226
JAN
2 0 1998
F:SD:FTB:EMO 3311
American Arms/Delta 1469 Greg
Street Sparks, Nevada 89431
Gentlemen:
This refers to your letter of December
16, 1997, with which you submitted a sample of a semiautomatic
weapon based on the Browning Model 1919 machinegun design you desire
to manufacture.
Examination of the submitted sample,
serial number AM0001, indicates that it is a firearm based on
the Browning Model 1919 machinegun. The receiver has
been constructed utilizing a standard Model 1919 machinegun trunion,
bottom plate, top plate, left side plate, and back plate. A new right
side plate approximately .065 inches thicker than a Model 1919
machinegun side plate has been fabricated and assembled to the above
mentioned components. This side plate has been slotted to permit
assembly and function with a redesigned Browning Model 1919 barrel
extension, lock frame and bolt.
The trigger has been redesigned to permit
only a single shot to be fired each time the trigger is pulled.
The redesigned trigger also incorporates a trigger return spring and
the forward engagement surface and trigger arm width have been
constructed such that they are not compatible with a standard Model
1919 sear plate. The forward portion of the trigger arm is spring
loaded to act as a disconnector. A new sear plate has
been fabricated that is wider than standard. Additionally, the
trigger engagement area of the sear plate has been designed such that
the trigger will not reengage the sear plate unless the trigger is
released after each shot is fired.
The rear of the bolt has been machined to
accept the above described sear plate. This machining prevents the
installation of a standard Model 1919 sear plate.
-2-
American Arms/Delta
The right side of the bolt has had two
lengthwise grooves machined to a depth of approximately.062 and
.115 inches. These grooves permit assembly and function in the
redesigned receiver.
The rear spacer in the lock frame has
been modified by the addition of a screw used to mount the trigger
return spring and also act as a trigger travel stop. This spacer
is welded in place. The right side of the lock frame has been grooved
to a depth of approximately .0972 inches for a length of approximately
3.422 inches to permit assembly and function in the
redesigned receiver. The accelerator has been machined to
allow clearance for the redesigned trigger arm.
The right side of the barrel extension
has been grooved in two areas to a depth of approximately .064 inches
to permit assembly and function in the redesigned receiver. The
rear of the barrel extension has been relieved to permit clearance of
the forward portion of the trigger arm. A cross bolt type safety has
been added to the outside of the backplate.
The above internal component
configurations and modifications can be used in producing a
semiautomatic weapon based on the Model 1919 machinegun design,
provided that the redesigned right side plate is permanently
attached to the trunion, bottom plate and top plate by means of deep
penetrating, full fusion, gas or electric steel seam welds.
Please be advised that this determination
is based on the sample as submitted. If the design, dimensions,
material used, configuration or method of construction are
changed, this classification is subject to review. Additionally, this
determination applies only to the firearm in question being
manufactured in the United States. We would point out that the firearm
likely would not qualify for importation under the provisions of
18 U.S.C. S 925(d)(3). As a result, the receiver for the weapon in
question could not be imported.
The sample is being returned under
separate cover.
-3-
American Arms/Delta
We trust that the foregoing has been
responsive to your inquiry. If we may be of any further assistance,
please contact us.
Sincerely
yours,  Edward
M. Owen,
Jr. Chief,
Firearms Technology Branch
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