FAB Defense UAS-R Precision Stock Conversion Kit for Ruger 10/22 - Left Side Folding, Adjustable Cheekrest, Matte Black SyntheticF.A.B. Defense$146.60
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F.A.B. Defense
The Fab Defense UAS Precision Stock Pro Conversion Kit for Ruger 10/22 transforms your rimfire into a modern, shootable platform without sacrificing the gun's classic character. This drop-in conversion kit replaces the factory stock with a tactical-inspired chassis that adds Picatinny rail real estate, an adjustable cheek rest, and a side-folding buttstock—all while keeping your 10/22 light and handy. If you run your Ruger for casual plinking, competition, or training, this kit gives you the ergonomics and modularity of a modern rifle while maintaining the simple, reliable action you know.
Built from fiberglass-reinforced polymer, the UAS Precision Pro stock is engineered to reduce hand fatigue during long shooting sessions. The design incorporates finger grooves and a shaped backstrap that naturally guides your grip and supports trigger control. The adjustable cheek rest offers five height positions to dial in your sight picture quickly—whether you're shooting iron sights, a mounted optic, or both. The side-folding buttstock (left-folding standard) lets you collapse the gun for compact storage or sling carry without losing any firing capability.
Modularity is the heart of this kit. The ventilated 6061 T6 billet aluminum handguard and upper receiver rails accept any Picatinny-based optic, light, or accessory. Dual quick-detach sling swivel sockets on both sides give you flexibility for different carry methods. Whether you're mounting a red dot, a low-power scope for small game, or a tactical light, the UAS Precision Pro gives you the foundation to build the exact 10/22 you want. The entire conversion is a straightforward drop-in swap on any standard-barreled Ruger 10/22.
| Brand | F.A.B. Defense |
| Product | UAS Precision Stock PRO Conversion Kit |
| Compatibility | Standard-barreled Ruger 10/22 |
| Handguard Material | Ventilated 6061 T6 billet aluminum |
| Buttstock Design | Side-folding (left-folding by default) |
| Cheek Rest Adjustment | 5 height positions |
| Rail System | 1913 MIL-STD Picatinny (upper and lower) |
| Sling Attachment | Dual quick-detach sockets |
| Installation Type | Drop-in conversion |
| Warranty | 25-year limited lifetime warranty |
This kit is designed as a drop-in conversion for standard-barreled Ruger 10/22 rifles. It should fit any 10/22 with a factory barrel.
Yes. The kit includes 1913 MIL-STD Picatinny rails on the upper and lower receiver, so you can mount any Picatinny-compatible optic, red dot, scope, or tactical accessory.
The UAS Precision Stock Pro Conversion Kit includes the stock assembly with integrated handguard, rails, adjustable cheek rest, folding buttstock, and quick-detach sling swivel sockets. Installation is a straightforward drop-in swap on your 10/22.
The kit ships with the side-folding buttstock set to fold left by default. Check with Fab Defense or your retailer if a right-folding option is available for your needs.
F.A.B. Defense
The Fab Defense UAS Precision Stock Pro Conversion Kit for Ruger 10/22 transforms your rimfire into a modern, shootable platform without sacrificing the gun's classic character. This drop-in conversion kit replaces the factory stock with a tactical-inspired chassis that adds Picatinny rail real estate, an adjustable cheek rest, and a side-folding buttstock—all while keeping your 10/22 light and handy. If you run your Ruger for casual plinking, competition, or training, this kit gives you the ergonomics and modularity of a modern rifle while maintaining the simple, reliable action you know.
Built from fiberglass-reinforced polymer, the UAS Precision Pro stock is engineered to reduce hand fatigue during long shooting sessions. The design incorporates finger grooves and a shaped backstrap that naturally guides your grip and supports trigger control. The adjustable cheek rest offers five height positions to dial in your sight picture quickly—whether you're shooting iron sights, a mounted optic, or both. The side-folding buttstock (left-folding standard) lets you collapse the gun for compact storage or sling carry without losing any firing capability.
Modularity is the heart of this kit. The ventilated 6061 T6 billet aluminum handguard and upper receiver rails accept any Picatinny-based optic, light, or accessory. Dual quick-detach sling swivel sockets on both sides give you flexibility for different carry methods. Whether you're mounting a red dot, a low-power scope for small game, or a tactical light, the UAS Precision Pro gives you the foundation to build the exact 10/22 you want. The entire conversion is a straightforward drop-in swap on any standard-barreled Ruger 10/22.
| Brand | F.A.B. Defense |
| Product | UAS Precision Stock PRO Conversion Kit |
| Compatibility | Standard-barreled Ruger 10/22 |
| Handguard Material | Ventilated 6061 T6 billet aluminum |
| Buttstock Design | Side-folding (left-folding by default) |
| Cheek Rest Adjustment | 5 height positions |
| Rail System | 1913 MIL-STD Picatinny (upper and lower) |
| Sling Attachment | Dual quick-detach sockets |
| Installation Type | Drop-in conversion |
| Warranty | 25-year limited lifetime warranty |
This kit is designed as a drop-in conversion for standard-barreled Ruger 10/22 rifles. It should fit any 10/22 with a factory barrel.
Yes. The kit includes 1913 MIL-STD Picatinny rails on the upper and lower receiver, so you can mount any Picatinny-compatible optic, red dot, scope, or tactical accessory.
The UAS Precision Stock Pro Conversion Kit includes the stock assembly with integrated handguard, rails, adjustable cheek rest, folding buttstock, and quick-detach sling swivel sockets. Installation is a straightforward drop-in swap on your 10/22.
The kit ships with the side-folding buttstock set to fold left by default. Check with Fab Defense or your retailer if a right-folding option is available for your needs.