Tactical Solutions115654382
Tactical Solutions Pac-Lite 6" Threaded Barrel for Ruger Mark IV & 22/45 - Black Anodized, Adjustable Sights, 22 LR$322.00
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Availability: In Stock
The Tactical Solutions Pac-Lite 4.5" threaded barrel for Ruger Mark IV and 22/45 is a lightweight upgrade designed to transform your .22 pistol into a more nimble, accurate shooter. Replacing your factory upper, this 4.5-inch barrel cuts weight to just 8.5 ounces while maintaining the reliability and handling that makes the Mark IV platform so popular for target work, casual plinking, and rimfire competition. Black anodized finish and adjustable sights keep your setup clean and shootable right out of the box.
Installation is straightforward—no gunsmith required. The barrel threads onto your existing Mark IV frame using the standard 1/2" x 28 TPI connection, and the included thread protector keeps the muzzle clean when you're running unsuppressed. The 1:16" twist rate handles standard and high-velocity .22 LR loads, and the 11-degree target crown helps you ring steel consistently. Stainless steel breech face and receiver components stand up to regular use, while the lightweight aluminum barrel keeps the overall package nimble in your hand.
The Pac-Lite comes drilled and tapped for Pac-Lite scope bases, so mounting glass is plug-and-play if you want to set up a dedicated varmint or precision .22 rig. Whether you're building a dedicated trainer, a lightweight truck gun, or just want to breathe new life into an older Mark IV, this barrel upgrade delivers better balance and handling without the trip to a gunsmith.
| Barrel Length | 4.5" |
| Caliber | .22 LR |
| Twist Rate | 1:16" |
| Thread Pattern | 1/2" x 28 TPI |
| Crown Style | 11-degree target crown |
| Weight | 8.5 oz |
| Finish | Black anodized (aluminum barrel); stainless steel breech and receiver |
| Sight Configuration | Adjustable sights |
| Compatibility | Ruger Mark IV, Mark IV 22/45 |
| Included Accessories | Thread protector (end cap) |
Yes. The Pac-Lite 4.5" barrel is designed to replace the factory upper on both Ruger Mark IV and Mark IV 22/45 models. Installation threads directly onto your existing frame—no special tools or gunsmith work needed.
Yes. The barrel is threaded 1/2" x 28 TPI, the standard pattern for .22 LR suppressors. A thread protector is included to keep the muzzle clean when running unsuppressed.
The barrel ships with a thread protector (end cap). It is drilled and tapped for Pac-Lite scope bases, but those bases are sold separately.
The Pac-Lite upper weighs 8.5 ounces total. The aluminum barrel and receiver design is significantly lighter than factory steel uppers, improving balance and reducing felt recoil and fatigue during extended shooting sessions.
SKU: 115761241 • Width: 3.2in • Height: 3.2in • Depth: 11.5in • Weight: 0.95oz
Availability: In Stock
The Tactical Solutions Pac-Lite 4.5" threaded barrel for Ruger Mark IV and 22/45 is a lightweight upgrade designed to transform your .22 pistol into a more nimble, accurate shooter. Replacing your factory upper, this 4.5-inch barrel cuts weight to just 8.5 ounces while maintaining the reliability and handling that makes the Mark IV platform so popular for target work, casual plinking, and rimfire competition. Black anodized finish and adjustable sights keep your setup clean and shootable right out of the box.
Installation is straightforward—no gunsmith required. The barrel threads onto your existing Mark IV frame using the standard 1/2" x 28 TPI connection, and the included thread protector keeps the muzzle clean when you're running unsuppressed. The 1:16" twist rate handles standard and high-velocity .22 LR loads, and the 11-degree target crown helps you ring steel consistently. Stainless steel breech face and receiver components stand up to regular use, while the lightweight aluminum barrel keeps the overall package nimble in your hand.
The Pac-Lite comes drilled and tapped for Pac-Lite scope bases, so mounting glass is plug-and-play if you want to set up a dedicated varmint or precision .22 rig. Whether you're building a dedicated trainer, a lightweight truck gun, or just want to breathe new life into an older Mark IV, this barrel upgrade delivers better balance and handling without the trip to a gunsmith.
| Barrel Length | 4.5" |
| Caliber | .22 LR |
| Twist Rate | 1:16" |
| Thread Pattern | 1/2" x 28 TPI |
| Crown Style | 11-degree target crown |
| Weight | 8.5 oz |
| Finish | Black anodized (aluminum barrel); stainless steel breech and receiver |
| Sight Configuration | Adjustable sights |
| Compatibility | Ruger Mark IV, Mark IV 22/45 |
| Included Accessories | Thread protector (end cap) |
Yes. The Pac-Lite 4.5" barrel is designed to replace the factory upper on both Ruger Mark IV and Mark IV 22/45 models. Installation threads directly onto your existing frame—no special tools or gunsmith work needed.
Yes. The barrel is threaded 1/2" x 28 TPI, the standard pattern for .22 LR suppressors. A thread protector is included to keep the muzzle clean when running unsuppressed.
The barrel ships with a thread protector (end cap). It is drilled and tapped for Pac-Lite scope bases, but those bases are sold separately.
The Pac-Lite upper weighs 8.5 ounces total. The aluminum barrel and receiver design is significantly lighter than factory steel uppers, improving balance and reducing felt recoil and fatigue during extended shooting sessions.
SKU: 115761241 • Width: 3.2in • Height: 3.2in • Depth: 11.5in • Weight: 0.95oz