Lot 1508

MBAssociates Mark I Model B 13 mm Gyrojet Carbine Number "B0009"

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MBAssociates Mark I Model B 13 mm Gyrojet Carbine Number "B0009"

Estimate: $6,500 - $10,000

Starting Bid: $5,500

(0 Bids)

by Rock Island Auction Company
August 22, 2026 9:00 AM CDT
Live Auction
3600 Harwood Road
Bedford, TX, US 76021

Excellent and Scarce Very Early Production MBAssociates Mark I Model B 13 mm Gyrojet Carbine, Serial Number "B0009", with Gyrojet Ammunition Manufactured in the 1960s, the Mark I Model B Gyrojet carbine uses a 13 mm solid fuel rocket in place of a standard bullet and cartridge. Since the rocket does not require a solid chamber to contain ignition nor extractor equipment to eject a casing, MBAssociates was able to greatly simplify the design of its rocket-fired firearms, constructed mostly from a lightweight material called Zamac (a zinc alloy). Educated collectors of the MBAssociates Gyrojet arms estimate that the total number of Mark 1 pistols, carbines, and rifles produced is no greater than 1,900, with this specific carbine being the 9th manufactured in the "B" prefix serial number range. Features "A" frame pattern post front and carry handle mounted notch rear sights, exposed cocking lever protruding from the left side, a safety lever also protruding from the left side, a ventilated rear portion of the "action" with a opening slide allowing access to the internal box magazine housed in the pistol grip, along with the MBAssociates address, "B0009" serial number, and "MARK 1/MODEL B/13 mm GYROJET/ROCKET CARBINE" designation on the left of the frame. Fitted with a smooth walnut forearm, a pair of smooth walnut grip panels, and a smooth walnut buttstock with solid synthetic buttplate. Includes a leather sling and two cardboard boxes containing 18 unfired 13 mm Gyrojet rocket projectiles.

Manufacturer: MBAssociates

Model: Mark I Model B

BBL: 17 1/4 inch round

Stock: walnut

Gauge: 13mm Rocket

Finish: black

Serial NumberB0009

Class: Curio & Relic Long Gun

  • Provenance: The Lit Ng Collection
  • Condition: Excellent, retaining 99% original black finish with limited minor handling wear and crisp markings. The wood is exceptionally fine with a few small compression marks and a small crack in the butt. Mechanically excellent. The Gyrojet rockets are very fine to very good with oxidation on some. Overall a very attractive and scarce original early production example of a MBAssociates Mark I Model B 13 mm Gyrojet Carbine with Gyrojet rocket projectiles!

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Bid Increments
From: To: Increments:
$0 $199 $10
$200 $499 $25
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $25,000