.280 Rem. TW-254 GR-4 Barrel Push Rifling Button
Out of stock
Short Description
SKU
7426952025503
| gun caliber | 25 - 299 Cal |
|---|---|
| Twist mm | 254 |
| Groovs | 4 |
| Material | HCS |
| Manufacturer | TOKAR |
| Country of Manufacture | Ukraine |
Short Description
Barrel Push Rifling Button – Combination Tool
A precision-engineered tool designed for cold forming rifling grooves and land geometry in firearm barrels through push rifling. This combination button integrates multiple functional sections in a single pass to ensure optimal bore quality and performance.
Calibre .280Rem. TW-254 GR-4Twist mm: 254
Grooves: 4
Twist Angular tolerance: ±0.067°
Groove Width tolerance: ±0.05 mm
Pilot dia.: -0.2 mm undersize Bore dia.
Tool Components:
- Pilot Section: Ensures axial alignment and smooth entry into the barrel bore.
- Grooves Forming Section: Cold-forms rifling grooves to exact twist rate and depth specifications.
- Lands Diameter Calibration Section: Precisely sizes and smooths land diameters, ensuring consistent bore dimensions and superior surface finish.
Applications:
Used in the manufacturing of precision firearm barrels where uniformity and repeatability of rifling geometry are critical for ballistic performance.
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