Tactical Solutions Pac-Lite 4.5-inch Threaded Barrel (.22 LR)

Description

The tactical solutions pac-lite 4.5-inch threaded barrel (.22 lr) is a direct-fit upgrade for Ruger Mark I, II, III, and 22/45 pistols. Machined from aircraft aluminum, it drops onto your existing frame without a gunsmith. At just 4.5 inches with a matte olive drab finish, this barrel keeps your .22 LR build light, quiet-ready, and reliable.

Manufacturer	Tactical Solutions
Model	Pac-Lite 4.5-inch Threaded Barrel
Material	Aircraft-grade aluminum (per manufacturer specs)
Compatibility	Ruger Mark I, Mark II, Mark III, 22/45 series pistols
Finish	Matte olive drab
Weight	Approximately 4.2 oz (lightweight per manufacturer specs)
Condition	New

Key Features

• Direct-fit design — WHY IT MATTERS: You can install this barrel at home in minutes with basic tools, saving you a trip to the gunsmith and keeping your build simple.
• Aircraft aluminum construction — WHY IT MATTERS: It cuts muzzle weight by nearly half compared to steel barrels, helping your Ruger balance better for one-handed shooting or long range sessions.
• Threaded muzzle (1/2×28 TPI) — WHY IT MATTERS: You can attach a suppressor, compensator, or thread protector instantly, making this barrel ideal for quiet plinking or reduced recoil.
• Matte olive drab finish — WHY IT MATTERS: The durable coating resists scratches and glare, blending in with outdoor gear and keeping your pistol looking sharp after years of use.

Who It’s For

This barrel is for Ruger Mark series owners who want a lighter, suppressor-ready upper without buying a whole new pistol. It’s great for competition shooters looking to shave ounces, hunters who need a quiet .22 for small game, and new gun owners who want an easy DIY upgrade. If you shoot a lot of .22 LR and value low weight, this is your barrel.

Pros and Cons

• Pro: Lightweight aluminum construction — at 4.2 oz, it’s roughly 40% lighter than a factory steel barrel, per Tactical Solutions specs.
• Pro: Drop-in fit on most Ruger Mark frames — no fitting or machining needed.
• Pro: Threaded muzzle adds suppressor or compensator options.
• Con: Aluminum can wear faster than steel under heavy use, especially with high-round-count rimfire shooting. Routine cleaning and inspection are recommended.

Comparison

Feature	Tactical Solutions Pac-Lite 4.5-inch	Lone Wolf Distributors .22 LR Barrel	Zev Technologies Match Barrel
Material	Aircraft aluminum	Stainless steel	416 stainless steel
Weight	~4.2 oz	~8 oz	~7.5 oz
Threaded	Yes (1/2×28 TPI)	Optional	Yes (1/2×28 TPI)
Compatibility	Ruger Mark I–III, 22/45	Ruger Mark III/IV	Ruger Mark IV only
Finish	Matte olive drab	Matte stainless	Black nitride
Price	$247.00	~$180	~$300

The Pac-Lite is the lightest option here, while Lone Wolf offers a budget steel alternative. Zev provides match-grade accuracy but costs more and fits fewer models.

FAQ

Will this barrel fit my Ruger Mark IV?

No, the Pac-Lite 4.5-inch threaded barrel is designed for Ruger Mark I, II, III, and 22/45 series pistols. It does not fit Mark IV models due to changes in the frame design.

Do I need a gunsmith to install this barrel?

No. It’s a direct-fit design that drops onto your existing Ruger Mark frame. You can install it at home with a punch and a few minutes of work.

Can I use this barrel with a suppressor?

Yes, the barrel is threaded 1/2×28 TPI, which is the standard for .22 LR suppressors. Just screw on your can and shoot.

What finish options are available?

This barrel comes in matte olive drab. Tactical Solutions also offers black and silver finishes in the Pac-Line series.

Is the barrel accurate for target shooting?

Yes, the rigid aluminum construction and precise rifling deliver consistent accuracy for plinking, small-game hunting, and informal target shooting.

Trust & Delivery

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

Browse more: Handgun Barrels | Ruger Upgrades | Rimfire Parts

Last updated: April 2026