For smallbore rifles Ruger Precision Rimfire with thread UNF 5/16"x24 are available bolt knobs made of aluminium alloy AW 7075 Ergal. Its diameter is 23 mm and length 43 mm. The surface is provided with three recesses without cross indentations.
Finish is available in:
- polished aluminum
- polished black anodized
- sandblasted black anodized
Technical data:
- Thread: UNF 5/16"x24
- Diameter: 23 mm
- Length: 43 mm
- Weight: 36 g
- Material: AW 7075 Ergal
