Thompson Center Arms 4120R Icon 3+1 204/223 Black Steel

The Thompson Center Icon 3+1 magazine is a factory replacement magazine engineered for reliable feeding in your Thompson Center Icon rifle. Built to the same exacting standards as original equipment, this polymer magazine delivers the dependability you need whether you're zeroing at the range or in the field. A 3-round capacity keeps things simple for hunters and shooters who prioritize accuracy over volume, and the straightforward design means zero fuss—just load, feed, and shoot.

Thompson Center factory magazines are manufactured to strict tolerances that ensure consistent performance across thousands of rounds. The polymer construction resists corrosion and handles rough use without complaint, and proper maintenance will keep this magazine running for years. If you own a Thompson Center Icon, having a spare magazine on hand eliminates excuses when you need to reload.

Compatible exclusively with Thompson Center Icon rifles in .223 Remington, this is the genuine part—not an aftermarket clone. Whether you're building a second rifle, replacing a worn original, or simply want a backup, this magazine fits the bill.

Key Features

• Factory Thompson Center magazine—engineered to original specifications
• 3-round capacity for controlled, deliberate shooting
• Durable polymer construction resists corrosion
• Precision-manufactured to strict tolerances for reliable feeding
• Designed specifically for Thompson Center Icon rifles

Specifications

Frequently Asked Questions

Will this magazine work with my Thompson Center Icon?

Yes. This factory magazine is designed specifically for Thompson Center Icon rifles in .223 Remington.

What capacity does this magazine hold?

The Icon 3+1 magazine holds 3 rounds. The "+1" notation indicates an additional round can be loaded directly into the chamber.

Is this a genuine Thompson Center part?

Yes. This is a factory Thompson Center magazine manufactured to the same specifications as the original equipment on Icon rifles.