ATI GSG-16 16.25 in .22 LR Semi-Auto Rifle

The ATI GSG-16 16.25 in .22 LR Semi-Auto Rifle is a rimfire carbine built for fun, practice, and plinking. Chambered in .22 LR, it features a 16.25-inch non-threaded barrel, a mint green applied finish, and a polymer receiver. The collapsible synthetic stock includes an internal storage compartment, and the faux suppressor profile gives it a tactical look without NFA paperwork. Adjustable front and rear sights, ambidextrous controls, and an AR-style ergonomics package make it easy for new and experienced shooters alike to get on target fast. According to ATI specs, this rifle weighs just over 5 pounds, making it a lightweight option for hours at the range.

Manufacturer	American Tactical Imports (ATI)
Model	GSG-16
Material	Polymer receiver, synthetic stock, steel barrel (per manufacturer specs)
Compatibility	.22 LR ammunition
Finish	Mint green applied finish
Weight	Approximately 5.2 lbs (per manufacturer specs)
Condition	New

Key Features

• Collapsible synthetic stock with internal storage: Why it matters: You can store a cleaning kit, extra rounds, or tools inside the stock, keeping everything you need handy without a bag.
• Picatinny and M-LOK forend: Why it matters: Mount lights, lasers, or bipods to customize the rifle for your shooting style, whether it’s plinking, training, or pest control.
• Ambidextrous controls: Why it matters: Left-handed shooters can operate the safety and magazine release without awkward fumbling, making this rifle accessible to everyone.
• Adjustable front and rear sights: Why it matters: Quick windage and elevation adjustments keep you on target without tools, ideal for fast follow-up shots at the range.
• Faux suppressor profile: Why it matters: Gives a modern tactical look without the cost or wait of a tax stamp, and it’s legal in all 50 states.

Who It’s For

This rifle is for new gun owners wanting an affordable trainer that mimics AR-15 ergonomics. It’s also for families looking for a low-recoil, fun plinker they can shoot all day without breaking the bank on ammo. Experienced shooters will appreciate the customization options and lightweight build for teaching others or just having a good time at the range.

Pros & Cons

• Pros: Lightweight at 5.2 lbs, affordable ammo (.22 LR), ambidextrous controls, internal stock storage, Picatinny/M-LOK forend, and a faux suppressor for looks.
• Cons: Non-threaded barrel means you can’t attach a real suppressor without a gunsmith. The mint green finish may not appeal to everyone, but it’s a unique look.

Comparison

Feature	ATI GSG-16	Smith & Wesson M&P15-22	Ruger 10/22 Carbine
Barrel Length	16.25 in	16.5 in	18.5 in
Weight	5.2 lbs	5.5 lbs	5.0 lbs
Stock	Collapsible, storage	Collapsible	Fixed synthetic
Forend	Picatinny/M-LOK	Picatinny	None (barrel band)
Controls	Ambidextrous	Right-handed	Right-handed
Price	$410.39	~$450	~$300

What .22 LR ammo works best with the ATI GSG-16?

High-velocity .22 LR rounds, like CCI Mini-Mags or Remington Golden Bullets, cycle reliably. Avoid subsonic or low-velocity ammo for consistent function.

Can I mount a red dot or scope on this rifle?

Yes, the Picatinny rail on top of the receiver accepts most red dots, scopes, or reflex sights. The adjustable sights work with co-witness setups.

Is the faux suppressor removable?

No, it’s a fixed part of the barrel shroud. It’s designed to give a tactical look without being a suppressor, so no NFA paperwork needed.

Does this rifle come with a magazine?

Yes, it includes one 22-round magazine. Additional magazines are available separately.

✅ Nationwide delivery (all 50 states)
✅ Ships 1-2 business days
✅ 30-day returns
✅ Secure checkout

Last updated: April 2026

Over 2 million .22 LR rifles sold in the U.S. in 2025, making this one of the most popular calibers for training and fun.

See more: Semi Auto Rifles | Rimfire Rifles | American Tactical Imports