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Short Action Customs Modular Bullet Insert
  • Short Action Customs Modular Bullet Insert

Short Action Customs Modular Headspace Comparator Insert – 7mm x 30°

SAC-730HSC

The Short Action Customs Modular Headspace Comparator Insert (7mm x 30°) is an ultra-precise, professional-tier reloading tool engineered to give handloaders absolute accuracy when measuring cartridge headspace consistency.

€60.00
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Description

Short Action Customs Modular Headspace Comparator Insert – 7mm x 30°

The Short Action Customs Modular Headspace Comparator Insert (7mm x 30°) is an ultra-precise, professional-tier reloading tool engineered to give handloaders absolute accuracy when measuring cartridge headspace consistency. Reimagined and heavily upgraded from the original 6061 aluminum designs, this next-generation insert is precision-machined from premium 17-4 stainless steel to eliminate structural wear and guarantee perfect flatness over a lifetime of use. Operating seamlessly in conjunction with the standalone Modular Headspace Comparator Body, this tool enables high-efficiency sorting and micro-precise control over shoulder bumping to maximize case life and long-range shot-to-shot velocity uniformity.

Key Features

  • Caliber-Specific 7mm x 30° Fit: Custom-machined specifically to interface perfectly with 7mm (.284") cartridges utilizing a 30-degree shoulder profile, ensuring flawless concentric alignment on the datum line.
  • 17-4 Stainless Steel Construction: Crafted from hardened 17-4 stainless steel, delivering unmatched heavy-duty durability, extreme wear resistance, and long-term corrosion immunity across thousands of bench cycles.
  • Relative Headspace Optimization: Explicitly designed to map highly accurate relative headspace values for comparative brass diagnostics, sorting fired cases, and fine-tuning resizing dies.
  • Expanded Cartridge Clearance: Upgraded architecture provides structural compatibility for a large range of high-performance rifle cartridges up to the heavy .338 Lapua Magnum.
  • Toolless System Integration: Drops directly into the separately sold Short Action Customs Dial Caliper Body, anchoring securely via its specialized hand-tightened mounting layout.

Physical Specifications

Feature Specification
Product Type Modular Headspace Comparator Insert
Manufacturer Part Number SAC-730HSC
Caliber Compatibility 7mm (.284" Bullet Family)
Shoulder Profile Match 30 Degrees
Material 17-4 Premium Hardened Stainless Steel

Technical Data & Compatibility

Feature Specification
Brand Short Action Customs (SAC)
Required Components Modular Headspace Comparator Body (Must be purchased separately)
Maximum Action Clearance Rated for cartridges up to .338 Lapua Magnum
Measurement Method Relative Headspace (For absolute reamer-print specs, SAC Datum Gauges are recommended)
Dimension Standards Verifiable through official SAAMI Cartridge and Chamber Drawings

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Product Details
SAC-730HSC
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