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Primary Weapons Systems
The Primary Weapons Systems UXR Elite conversion kit in .308 Win with a 16-inch barrel gives you a practical path to multi-caliber shooting without buying a second rifle. Built on PWS's XChange system, this kit lets you swap barrel, bolt, and magwell to shift your rifle between calibers—no gunsmith, no guesswork. If you're a rifleman who wants the flexibility to run different cartridges on one platform, or you're looking to expand an existing UXR build, this is a straightforward way to do it.
What makes the XChange system stand out is its simplicity. PWS engineered a dot-matching interface so you pair up corresponding marks on each component; it's intuitive enough that swaps happen quickly and repeatably. You get a 16-inch barrel—a practical middle ground for velocity and handling—and all the hardware needed to complete the conversion on your UXR lower. The barrel is Boise-made and held to sub-MOA accuracy standards with quality ammunition, so you're not sacrificing precision for modularity.
This kit is built for shooters who value adaptability. Whether you're zeroing in a new cartridge for hunting season, testing loads at the range, or simply want the option to reconfigure without a major investment, the UXR platform delivers that flexibility at a price that doesn't demand a second mortgage. PWS backs every product with their warranty, covering defects and issues so you can trust your gear in the field or on the bench.
| Caliber | .308 Win |
| Barrel Length | 16 inches |
| Platform | Primary Weapons Systems UXR |
| Conversion System | XChange (barrel, bolt, magwell swap) |
| Accuracy Guarantee | Sub-MOA with quality ammunition |
Swap out the barrel, bolt, and magwell, then use the dot-matching system to align corresponding marks on each component. The design is user-friendly and requires no special tools or gunsmith work.
Yes. This is a conversion kit designed to work with the UXR platform, allowing you to add a new caliber option to an existing rifle.
PWS barrels are manufactured in Boise and held to sub-MOA accuracy standards when paired with quality ammunition.
Yes. PWS backs all their products with their warranty, covering defects and issues to ensure complete satisfaction.
Primary Weapons Systems
The Primary Weapons Systems UXR Elite conversion kit in .308 Win with a 16-inch barrel gives you a practical path to multi-caliber shooting without buying a second rifle. Built on PWS's XChange system, this kit lets you swap barrel, bolt, and magwell to shift your rifle between calibers—no gunsmith, no guesswork. If you're a rifleman who wants the flexibility to run different cartridges on one platform, or you're looking to expand an existing UXR build, this is a straightforward way to do it.
What makes the XChange system stand out is its simplicity. PWS engineered a dot-matching interface so you pair up corresponding marks on each component; it's intuitive enough that swaps happen quickly and repeatably. You get a 16-inch barrel—a practical middle ground for velocity and handling—and all the hardware needed to complete the conversion on your UXR lower. The barrel is Boise-made and held to sub-MOA accuracy standards with quality ammunition, so you're not sacrificing precision for modularity.
This kit is built for shooters who value adaptability. Whether you're zeroing in a new cartridge for hunting season, testing loads at the range, or simply want the option to reconfigure without a major investment, the UXR platform delivers that flexibility at a price that doesn't demand a second mortgage. PWS backs every product with their warranty, covering defects and issues so you can trust your gear in the field or on the bench.
| Caliber | .308 Win |
| Barrel Length | 16 inches |
| Platform | Primary Weapons Systems UXR |
| Conversion System | XChange (barrel, bolt, magwell swap) |
| Accuracy Guarantee | Sub-MOA with quality ammunition |
Swap out the barrel, bolt, and magwell, then use the dot-matching system to align corresponding marks on each component. The design is user-friendly and requires no special tools or gunsmith work.
Yes. This is a conversion kit designed to work with the UXR platform, allowing you to add a new caliber option to an existing rifle.
PWS barrels are manufactured in Boise and held to sub-MOA accuracy standards when paired with quality ammunition.
Yes. PWS backs all their products with their warranty, covering defects and issues to ensure complete satisfaction.
