ROCK ISLAND ARMORY STK100

Product Information & Specs

Seller Description For This Firearm

Rock Island Armory STK100 9mm 4.5" Optic Ready Aluminum Grip 17+1 Semi Auto Pistol
Rock Island Armory STK100 9mm Striker-Fired Pistol

High-Performance Aluminum Grip Frame & Optics-Ready Slide — Model 56625
Up for sale is a premium, pre-owned Rock Island Armory / Armscor STK100 striker-fired 9mm handgun. Bringing a massive evolutionary step to traditional striker-fired designs, the STK100 sets itself apart by utilizing a rugged, solid aluminum grip frame module. This gives shooters the weight, rigidity, and smooth recoil-absorption properties of a metal-framed competitive race gun combined with the simple maintenance, low bore-axis, and exceptional safety features of a modern duty pistol.

This optics-ready platform is engineered with a skeletonized, lightning-cut slide for fast cycling, front and rear cocking serrations, an extended beavertail grip to protect against slide bite, and an integrated accessory rail for your tactical lights or lasers. It uses standard pattern 17-round double-stack magazines, making parts and accessories highly accessible.

Item Condition Details:
This firearm is in excellent, light-use mechanical and cosmetic condition. The factory-milled aluminum grip module is immaculate, showing crisp texturing and sharp checker patterns without any scuffs or drop damage. The slide finish is highly clean with just a few exceptionally faint storage or handling micro-scuffs. The 4.5-inch barrel bore is remarkably bright with sharp, pristine rifling grooves and standard light finish friction marks on the exterior hood assembly from normal mechanical cycling. The internal striker mechanism, slide release, and trigger safety pull are completely crisp and function precisely as intended. It comes complete with its original factory-labeled clamshell storage box matching the pistol's serial number. Please review the high-resolution photos for an exact visual assessment of this firearm.

What's Included:
(1) Rock Island Armory STK100 9mm Pistol (Serial No. RIA2383121)
(1) Factory 17-Round Double-Stack Steel Magazine with STK Baseplate
(1) Original Armscor/RIA Molded Black Polymer Serialized Hard Case

UPC ECOM00582512
Action SEMI AUTOMATIC
Barrel Length 4.5" BARREL
Caliber 9MM LUGER (9X19 PARA)
Capacity 17 ROUNDS
Finish BLACK
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