
12 Gauge Stoeger M3000/3500 &P3000/3500 8-Shot Magazine Extension Assembly by Carlson's Choke Tubes
Carlsons Choke Tubes
Upgrade your shotgun’s capacity with the Carlson’s Choke Tubes 10-Shot Magazine Extension Assembly, engineered for Stoeger M3000, M3500, P3000, and P3500 12 gauge shotguns. Built for performance, this extension allows you to carry up to 10 rounds in the tube (10+1 total capacity)—ideal for 3-gun competition, tactical shooting, and high-volume hunting applications.
Constructed from durable blued steel, this magazine extension is built to withstand the elements and heavy use. It includes a full-length spring, barrel clamp, and high-visibility follower for smooth feeding and reliable operation. Designed for quick, no-gunsmithing installation, it's the perfect upgrade for serious shooters who demand more from their gear.
Fits: 12 Gauge Stoeger M3000, M3500, P3000, and P3500 models
Capacity: Increases magazine to 10 rounds (10+1 configuration)
Durable Construction: Precision-machined blued steel resists wear and corrosion
Complete Assembly Kit: Includes extension tube, extended spring, barrel clamp, and bright follower
Fast Installation: Installs easily—no permanent modifications required
Enhanced Control: Barrel clamp stabilizes the extension and prevents shifting under recoil
Versatile Use: Perfect for 3-Gun, home defense, tactical training, and waterfowl hunting
Made in the USA: High-quality manufacturing from Carlson’s Choke Tubes
Boost your firepower and field readiness with the Carlson’s 10-Shot Magazine Extension Assembly—a must-have upgrade for Stoeger shotgun owners who want more capacity and uncompromising reliability.