Tactical Solutions Pac-Lite IV 22 LR 4.5″ Threaded Black

The Tactical Solutions Pac-Lite IV replacement barrel and receiver are a lightweight, accurate upgrade for Ruger Mark II/Mark IV and 22/45 pistols. Hand-chambered for .22 LR with a chromoly bore and a target crown, the Pac-Lite is designed to improve balance and accuracy while remaining straightforward to install. The barrel has a 1/2″-28 threaded muzzle for accessory attachment and ships with a thread protector. This Pac-Lite configuration is finished in black anodize for a durable, low-glare appearance.

Key Specifications

• The chambering is .22 LR.
• The barrel length is 4.5 inches.
• The barrel threads are 1/2″-28.
• The bore is Chrome Moly.
• The rate of twist is 1:16″.
• The finish is Black Anodized.
• The barrel is threaded and suppressor-ready.
• The sighting package is blade ramp front and adjustable rear.
• Compatibility includes Ruger 22/45, Mark II, and Mark IV platforms.
• This unit is drilled and tapped for Pac-Lite scope bases and includes a thread protector.

Well-suited for precision plinking, target work, or building a lightweight threaded platform, the Pac-Lite IV balances accuracy and usability while keeping installation simple. Its combination of a chromoly bore, target crown, and threaded muzzle makes it a practical upgrade for owners of Ruger Mark and 22/45 pistols who want a refined, easy-to-install replacement barrel and receiver assembly.