The Lone Wolf Distributors AlphaWolf 40-9 conversion barrel for Glock 22/31 lets you shoot 9mm ammunition through your full-size or compact .40 S&W platform—without buying a second gun. Drop in a fresh barrel, and you're ready to train, compete, or carry in a different caliber. Built from 416 stainless steel with a salt bath nitride finish, this conversion barrel handles lead, plated, and jacketed rounds, making it flexible for whatever ammo is available or affordable on any given range day.

Lone Wolf's AlphaWolf line is known for no-fuss reliability and tight accuracy. The three-stage honed bore and button-rifled construction mean you're getting precision engineering, not just a generic part. Installation is straightforward—it's a true drop-in design, so you won't need a gunsmith or specialized tools. The nitride coating stands up to regular shooting and cleaning without fussing over maintenance.

Whether you're a Glock 22 or 31 owner looking to shoot cheaper 9mm at the range, expand your training options, or simply want the flexibility of a multi-caliber platform, this barrel delivers on the Lone Wolf promise: practical accuracy and no-excuses reliability. Made in the USA.

Key Features

• Drop-in conversion barrel for Glock 22/31—no gunsmithing required
• Shoots 9mm ammunition in your .40 S&W pistol
• 416 stainless steel construction with salt bath nitride coating for durability
• Button-rifled barrel with three-stage honed bore for accuracy and reliability
• Compatible with lead, plated, and jacketed ammunition
• Made in the USA

Specifications

Caliber	9mm
Fits	Glock 22/31 (.40 S&W platforms)
Material	416 stainless steel
Finish	Salt bath nitride
Bore Treatment	Button rifled, three-stage honed
Installation	Drop-in
Ammunition Compatibility	Lead, plated, jacketed
Manufacturer	Lone Wolf Distributors (USA)

Frequently Asked Questions

Will this barrel work with my Glock 22 or 31?

Yes. This AlphaWolf conversion barrel is designed as a drop-in fit for both the full-size Glock 22 and compact Glock 31.

Do I need a gunsmith to install it?

No. The barrel is engineered as a drop-in conversion, so installation is straightforward and does not require professional gunsmithing or special tools.

What ammunition can I shoot through this barrel?

The AlphaWolf barrel is designed for lead, plated, and jacketed 9mm ammunition.

What's the advantage of a conversion barrel?

A conversion barrel lets you shoot a different caliber (9mm) through your existing .40 S&W Glock platform. This is useful for training on a budget, expanding your practice options, or adapting to ammo availability without purchasing a second pistol.