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LOT 598
LOT 597 Rare and Desirable MBAssociates Mark I Model B Gyrojet Semi-Automatic Carbine with Scope - Serial no. B0119, 13 mm cal., 17 inch round bbl., nickel finish, walnut stock. M.B. Associates was established in 1960 and the company produced Gyrojet pistols and carbines from 1962 to 1970. Basically a hand held rocket launcher, this carbine fires a 13mm spin stabilized rocket cartridge containing a four part solid rocket fuel. The nose of the round is forced rearward onto a stationary firing pin igniting the fuel, expelling the round and recocking for the next shot. This is the sporter carbine with an antique nickel finish, integral magazine located in the pistol grip, flared muzzle and an overall sleek appearance. The stock is one piece light colored walnut with a raised comb, cheek piece and a Pachmayr rubber White Line recoil pad. Equipped with a Bushnell Phantom 1.3x telescope. CONDITION: Excellent. The carbine retains 98% of the original nickel finish. The barrel has a “frosty” appearance and the inside of the triggerguard shows some discoloration. The wood is excellent with a few overall scattered minor dings and nicks. Mechanically excellent. The telescope is excellent with clear optics. Estimate: 5,500 - 8,500
Rare Gold Plated MBAssociates Model 137
Gyrojet Test Pistol with Box and Papers -
Serial no. 121, 49 cal., 5 inch round bbl., gold
finish, metal grips. A product of the 1960s, the
Model 137 was the earliest variation of the
Gyrojet Pistols, using a solid fuel rocket in place
of a standard cartridge. Only around 150 of the
Model 137 were made, with this example being
121 and gold plated. Since the rocket projectile
does not need a solid chamber or extractor
equipment, the entire pistol can be greatly
simplified and made from lightweight materials.
Features fixed blade front and fixed notch rear
sights, front-mounted hammer, “PAT. APPLIED
FOR/MODEL 137 CAL. 49” marked on the left side, and integral checkered grips. Includes original cardboard box, 12 fired rockets, and original MBAssociates paperwork pertaining to the Model 137.
LOT 601
MBAssociates Mark I Model B Gyrojet Pistol with Box - Serial no. B5279, 13 mm cal., 5 inch round bbl., black finish, walnut grips. Manufactured in the 1960s, the Mark I Gyrojet uses a miniature solid fuel rocket in place of a standard cartridge. As the rocket does not need a solid chamber or extractor equipment, the entire pistol is greatly simplified and made from lightweight materials. Fixed blade front and notch rear sights, a sliding magazine cover, front-mounted hammer, model, and caliber on the left side, serial number on underside, and a pair of smooth grips with factory box and operating instructions.
CONDITION: Excellent overall retaining 98% plus of its
original black finish with scattered minor handling evidence. Box is fine. Mechanically excellent.
Estimate: 2,000 - 3,000
LOT 602
Scarce Mark 1 MBA Gyrojet 13mm Rocket Pistol in Presentation Case - Serial no. A014,
13 mm Rocket cal., 5 inch round bbl., black finish, walnut grips. A product
of the 1960s, the
Mark I Gyrojet uses
a 13mm solid fuel
rocket in place of
a standard cartridge. As the rocket does not need a solid chamber or extractor
equipment, the pistol’s mechanisms are simplified and made from lightweight
materials. Fixed blade front and fixed notch rear sights, front-mounted hammer,
“MARK I” and serial number marked on the left side, and a pair of smooth grips.
With a hardwood MBA display case, ten rounds of 13mm rocket ammunition (6
ball rounds and 4 semi-wadcutters), and a certificate of issue made out to “MOE
GRONSKY” dated 14 September 1965. According to this certificate, A014 is one of
the first thousand Gyrojet Rocket Handguns produced by MBA.
CONDITION: Fine overall, retaining 98% plus refinished blue with an area of
pitting under finish on right side of frame. The internals show some oxidation.
The presentation case is fair overall, with separation of the short ends, warped body, and torn lining. Mechanically excellent.
Estimate: 1,500 - 2,500
CONDITION: Very fine overall, retaining 95% plus of the factory applied gold plating with some light handling marks and flaking. Mechanically excellent. Box is very good with added markings and glued repairs.
Estimate: 9,500 - 13,000
LOT 599
MBAssociates Mark II Model C Gyrojet Pistol with Box - Serial no. 230, 12 mm cal., 5 inch round bbl., black finish, walnut grips. Manufactured in the 1960s, the Mark II Gyrojet fires a 12 mm solid fuel rocket
in place of a standard cartridge. As the rocket does not need a solid chamber or extractor to function, the entire pistol is greatly simplified compared to conventional pistols and made from lightweight materials. It is fitted with adjustable front and fixed notch rear sights, as well as a set of walnut grips. Includes a factory cardboard box.
CONDITION: Excellent, retaining more than 95% of the
original black finish, with very minor edge and cycling
wear. The walnut grip panels are very fine, with a few small scratches. Mechanically excellent. Estimate: 1,600 - 2,500
LOT 600
24 Rounds of MBAssociates Gyrojet Mk. I Rocket Ammunition with Box - A total of 24 rounds of unfired Gyrojet ammunition with a complete cardboard box. All 24 rounds in the box are unmarked with the two-vent breech arrangement and the traditional “bullet” profile conical tip. The plain cardboard box is dot-stamped “24” on the underside, and has partial label on the bottom right corner of the lid marked “13 MM-11A/LOT 089/MFD. 3-68.”
CONDITION: Very fine overall, with the individual copper rockets showing an attractive patina. The box is also very fine.
Estimate: 3,000 - 5,000