The Tactical Solutions Pac-Lite IV is a replacement barrel and receiver assembly for Ruger Mark IV and Mark IV 22/45 pistols. Hand-chambered for .22 LR, the Pac-Lite IV is offered in a 4.5-inch threaded length and finished in black anodize. It is designed to deliver improved balance and accuracy while remaining lightweight and easy to install.
Key Specifications
- Compatible with Ruger Mark IV and Mark IV 22/45 pistols.
- Chambered for .22 LR.
- The barrel length is 4.5 inches.
- The barrel is threaded with 1/2″-28 threads for muzzle devices.
- The bore is finished in chrome-moly.
- The external finish is black anodized.
- The listed unit weight is 8.5 oz.
- The barrel features an 11-degree target crown for consistent muzzle alignment.
- Includes a thread protector (end cap) and is drilled and tapped for Pac-Lite scope bases.
The Pac-Lite IV provides a straightforward upgrade path for shooters seeking a lightweight, threaded .22 LR barrel and receiver for competition, target work, or general-precision shooting. Its combination of a chrome-moly bore, target crown, and threaded muzzle delivers practical features for use with common muzzle devices, while the black anodized finish offers a durable appearance that integrates with existing Ruger frames.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
