Redding 48155 Small Base Die Set 308 Winchester Reloading Tool
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The Redding 308 Winchester Small Base Die Set (Manufacturer Part Number: 48155) is a precision two-die metallic reloading set manufactured in the USA from alloy steel. Specifically engineered for bottleneck .308 Winchester cartridge cases, this specialised set sizes the case body slightly smaller than standard dimensions and sets the shoulder back to guarantee seamless chambering and reliable extraction in firearms with strict dimensional tolerances. The mechanical die set operates via an industry-standard 7/8"-14 thread pitch interface and requires a standard #1 shellholder (Part #11001) or Redding competition shellholders to operate on standard reloading presses.
Key Features
- Small Base Resizing Die (#08155): Reduces the cartridge diameter near the case base/web by approximately .001" to .002" below standard SAAMI minimum specifications while incorporating a decapping rod assembly, replaceable decapping pin, and expander size button.
- Standard Bullet Seating Die (#92155): Features an internal bullet guide, seating plug, and built-in roll crimp ring for uniform projectile seating depth and crimping.
- Universal Press Interface: Machined with a standard 7/8"-14 thread pitch to ensure compatibility across single-stage, turret, and progressive reloading presses.
- Complete Workshop Storage: Ships in a dedicated plastic storage box containing a spare decapping pin and adjustment hex wrench, weighing approximately 0.45–0.55 kg.
- Non-Powered Mechanical Operation: Requires no electrical power (0W), functioning purely through manual press mechanical leverage and high-pressure case lubrication.
Product Specifications
- Calibre: .308 Winchester
- Material: Alloy steel
- Thread Pitch: 7/8"-14
- Set Configuration: 2-Die Set (Small Base Full-Length Sizer and Standard Bullet Seater)
- Shellholder Compatibility: Standard #1 Shellholder (Part #11001, sold separately)
- Total Package Weight: 0.45–0.55 kg
Who is the Redding 308 Winchester Small Base Die Set for?
- Handloaders for semi-automatic and pump-action rifles — sizes .308 Winchester brass approximately .001" to .002" below standard SAAMI base dimensions via a 7/8"-14 thread pitch small base sizing die to eliminate stiff lockup and feed failures in actions with limited primary extraction leverage.
- Precision shooters with custom match chambers — provides consistent full-length resizing across a package weight of 0.45–0.55 kg, ensuring once-fired range brass chambers reliably into tight minimum-spec .308 Winchester match-grade chambers.
Less suitable for: Handloaders running standard bolt-action rifles with generous factory SAAMI chambers; small base sizing works brass heavily near the case web and accelerates wear, making a standard full-length resizing die set or neck-sizing die set a better choice to maximise brass life.
| SKU | RD41643LP |
| Model # | 48155 |
| Brand | Redding |
| Shipping Weight | 1.0000kg |