- New
Reference: Iosso-Paste 10215
Brand: Iosso Products
Reference: 073000020 19010
Brand: Iosso Products
Reference: NTG100H
Brand: Teslong
Reference: NTG 5 mirror Mirror set
Brand: Teslong
Reference: NTG150W
Brand: Teslong
Reference: 749011715
Brand: Sinclair International
Reference: B30
Brand: Dewey Manufacturing
Reference: SEB-SRB-G2
Brand: SEB Rests
The Short Action Customs Modular Headspace Comparator Insert (.30 Cal / 20°) is a precision-engineered reloading tool designed to deliver unmatched accuracy for cartridge headspace and case sizing measurements
The Short Action Customs Modular Headspace Comparator Insert (.30 Cal / 20°) is a precision-engineered reloading tool designed to deliver unmatched accuracy for cartridge headspace and case sizing measurements. Machined from ultra-durable 17-4 stainless steel, this insert integrates seamlessly with the Modular Headspace Comparator Body to ensure repeatable, benchrest-grade consistency. Specifically profiled for .308 Winchester and compatible wildcat cartridges with a 20-degree shoulder angle, the Short Action Customs Modular Headspace Comparator Insert (.30 Cal / 20°) is an essential upgrade for precision handloaders.
| Specification | Details |
|---|---|
| Material | 17-4 Stainless Steel |
| Finish | Precision Machined Raw Stainless |
| Caliber Classification | .30 Caliber |
| Shoulder Angle | 20° |
| Parameter | Specification |
|---|---|
| Manufacturer | Short Action Customs (SAC) |
| Product Type | Modular Headspace Comparator Insert |
| Measurement Type | Relative Case Headspace / Shoulder Datum |
| Required Accessory | Modular Headspace Comparator Body (sold separately) |
| Cartridge Compatibility | .308 Winchester, .308-based wildcats (20° shoulder) |
Reference: CSG-0-0-065PRC-001
Brand: Whidden Gunworks
Reference: 749001187
Brand: Sinclair International
Reference: 42077
Reference: FH-550
Brand: Shahe Measuring Instrument
Reference: SAC-HSCBS
Brand: Short Action Customs
Reference: AM308WINSRP-100-1
Reference: FLPCRB059M
Brand: K+M Precision Shooting Products
Reference: 749005418
Brand: Sinclair International
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The Short Action Customs Modular Headspace Comparator Insert (.30 Cal / 20°) is a precision-engineered reloading tool designed to deliver unmatched accuracy for cartridge headspace and case sizing measurements
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