1927 F-U4 barreled action, 26"/660 mm barrel
Barreled action 1927, similar to biathlon Barreled action 1827 F.
Smooth-running straight pull action with multi-loading device.
Versatile adjustable matchtwo stage trigger, factory set at 550 g.
Extremely short locktime.
Technical data
| Trigger - Type | two stage trigger |
| Trigger - Weight adjustment range | 90 - 650 g |
| Trigger - Weight set to | 550 g |
| Trigger - Adjustability ignition left/right | 11 mm |
| Trigger - Adjustability forward/backward | 23 mm |
| Caliber | .22 l.r. |
| Caliber - twist rate | 420 mm |
| Caliber - number of grooves | 8 |
| Barrel - Thread | Without barrel thread |
| Barrel - Length | 660 mm |
| Barrel - Muzzle diameter | 24 mm |
| Magazine - caliber | .22 l.r. |
| Magazine - number of rounds | 10 |
| Material | Steel |
