Sinclair International
Sinclair Shoulder Bump Gauge Insert #20 20 Degree .308
Sinclair Shoulder Bump Gauge Insert #20 20 Degree .308
The Sinclair Shoulder Bump Gauge Insert #20 is a precision reloading component for measuring the shoulder of .308 cartridge family cases with a 20-degree shoulder angle. It is machined to give reloaders an accurate shoulder reading, so cases can be positioned consistently for a proper chamber fit.
This insert is an essential tool for handloaders working with .308 family cartridges who want repeatable shoulder measurements and improved accuracy at the bench.
Key Features
| Brand | Sinclair International |
| Product Type | Shoulder Bump Gauge Insert |
| Caliber | 308 Winchester |
| Shoulder Angle | 20 Degree |
| Compatible Cartridge Family | .308 Family |
| Condition | New |
| Manufacturer SKU | 749011477 |
| UPC | 050806111240 |
Compatibility
Compatible with .308 cartridge family cases and a 20-degree shoulder angle.
How to use
Install the Sinclair Shoulder Bump Gauge Insert #20 into a compatible shoulder bump gauge body, then measure the shoulder position of .308 family cases to set consistent sizing.
Frequently asked questions
|
Share
