1990 Calico M900 9mm 16" Carbine Two (2) 100-Round Helical Magazines *RARE*

Description:
MANUFACTURER: CALICO LIGHT WEAPONS SYSTEMS 
MODEL: M-900 
CONFIGURATION: SEMI-AUTO CARBINE WITH ADJUSTABLE STOCK 
YEAR MANUFACTURED: 1989-1991 
COUNTRY OF ORIGIN: UNITED STATES 
SERIAL NUMBER: E002300 
ROLLMARKS: CALICO M-900 / MADE IN BAKERSFIELD, CA, U.S.A. / 9MM ONLY 
CALIBER: 9MM 
CAPACITY: 100 ROUNDS 
BARREL LENGTH: 16.00" 
OPERATING SYSTEM: BLOWBACK 
ACTION: SEMI-AUTO 
TRIGGER: SINGLE-STAGE 
IRON SIGHTS: ADJUSTABLE FRONT POST, REAR NOTCH
UPPER: STEEL 
LOWER: POLYMER 
HANDGUARD / GRIP TYPE: INTEGRAL POLYMER FORE-END WITH ERGONOMIC PISTOL GRIP 
FIREARM FINISH: MATTE BLACK 
CONDITION: GOOD 
ADDITIONAL FEATURES: ADJUSTABLE SKELETAL STOCK, TOP-MOUNTED HELICAL FEED SYSTEM, INCLUDES TWO ORIGINAL 100-ROUND HELICAL MAGAZINES 
WHAT’S INCLUDED: CARBINE, TWO 100-ROUND HELICAL MAGAZINES 

Let's get one thing straight—there is absolutely nothing ordinary about the Calico M-900. While everyone else was building conventional pistol-caliber carbines, Calico engineers decided to throw the rulebook out the window and create one of the most distinctive firearms ever produced. The result is an unmistakable American oddity that has become a cult classic among collectors. Chambered in 9mm and feeding from its legendary top-mounted 100-round helical magazine, the M-900 remains one of the most ambitious civilian firearm designs to ever leave the drawing board.

The heart of the M-900 is its ingenious helical magazine system. Instead of relying on bulky drum magazines hanging beneath the rifle, Calico positioned 100 rounds directly over the receiver where the weight stays centered throughout firing. Combined with its simple and proven blowback operating system, the rifle delivers remarkably soft recoil while offering a level of sustained firepower that very few pistol-caliber carbines can even begin to match. Even decades after its introduction, there still isn't another production firearm that does quite what a Calico does.

Despite its futuristic appearance, the M-900 is surprisingly comfortable in the hands. The lightweight polymer grip, adjustable skeletal stock, intuitive controls, and balanced weight distribution make the rifle feel much more natural than its unconventional profile suggests. The long sight radius and adjustable iron sights only add to its practical shootability. Then there's the reaction factor—set this rifle on a bench at any range and don't be surprised when people walk over asking, "Is that really a Calico?" These rifles have been turning heads for decades, and they still do.

This particular example becomes even more desirable by including TWO ORIGINAL 100-ROUND HELICAL MAGAZINES! Anyone familiar with the Calico platform knows these magazines are the defining feature of the rifle and are increasingly sought after on their own. From its unmistakable silhouette to its space-age engineering, this rifle looks like it stepped straight out of an '80s sci-fi movie—and that's a huge part of its enduring appeal. Few firearms have achieved cult status quite like the Calico.

The Calico M-900 isn't trying to be another AR, PCC, or clone of anything else. It's a bold engineering experiment that actually made it into full production, and because of that it has earned a permanent place in firearms history. Whether you're building a collection of unique American firearms, chasing rare Cold War-era designs, or simply want the rifle that everyone in the room will gravitate toward first, this M-900 delivers the kind of originality that simply cannot be replicated. Some firearms blend into the crowd. The Calico was never built to.

***Please see pictures for condition and wear***

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All pre-owned firearms offered by National Armory are thoroughly inspected by our on-site gunsmith to ensure they are in proper working condition. While test firing may or may not be conducted, all firearms are evaluated for basic function and safety. It is solely the buyer’s responsibility to be familiar with and comply with all federal, state, and local laws regarding firearm ownership and accessory restrictions, including but not limited to magazine capacity and prohibited features. All sales are final.

Manufacturer: CALICO
Model: M900
Serial Number: E002300
Barrel Length: 16.00
Condition: GOOD
Manufacture Date: 1990

Price: $1,749.99
Shipping: $34.99
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