Lee Precision Carbide 4-Die Set – .380 Auto ACP

The Lee Precision Carbide 4-Die Set for .380 Auto ACP is a complete handgun reloading system designed to produce reliable, consistent ammunition for compact and subcompact semi-automatic pistols. This set includes a carbide sizing die for lubrication-free case resizing and a Factory Crimp Die that ensures proper cartridge dimensions for dependable feeding.

Built for efficiency and precision, the four-die configuration allows reloaders to size, expand, seat, and crimp cartridges in separate operations—providing greater control over finished cartridge quality.

---

Quick Highlights

• Product Type: Handgun Reloading Die Set
• Caliber Compatibility: .380 Auto ACP
• Die Count: 4 Dies
• Sizing Die: Carbide (no case lubrication required)
• Thread Size: 7/8″-14 (Standard Reloading Press Thread)
• Press Compatibility: Single-stage and progressive presses

---

Included Dies

• Carbide Full-Length Sizing / Decapping Die – Resizes cases without lubrication while removing spent primers
• Powder Through Expanding Die – Expands the case mouth and allows powder charging through the die
• Bullet Seating Die – Seats bullets to consistent depth with precise adjustment
• Factory Crimp Die – Applies a post-seating crimp and ensures finished cartridge dimensions

---

Use Cases & Applications

• .380 Auto compact and subcompact pistols
• Defensive, range, and practice ammunition
• High-efficiency handgun reloading setups
• Reloaders seeking improved feeding reliability

---

Performance & Intended Use

The Lee .380 Auto Carbide 4-Die Set provides full control over cartridge assembly by separating sizing, expanding, seating, and crimping operations. The included Factory Crimp Die helps ensure finished rounds meet proper dimensions, reducing feeding issues and minimizing the risk of bullet setback—particularly important in compact pistols with tight tolerances.

---

Design & Functional Advantages

• Carbide sizing die eliminates the need for case lubrication
• Factory Crimp Die improves feeding reliability and uniformity
• Powder-through expanding die increases loading efficiency
• Precision-machined steel construction for durability and long service life

---

Technical Details

Manufacturer: Lee Precision
Product Type: Handgun Reloading Die Set
Caliber: .380 Auto ACP
Die Count: 4
Sizing Die: Carbide
Thread Size: 7/8″-14
Press Compatibility: Single-stage and progressive presses

---

Compatibility & Usage Notes

• Designed specifically for .380 Auto ACP cartridges
• Carbide sizing applies to straight-wall handgun cases
• Shell holder and powder dipper may be included depending on packaging revision
• Always follow published load data and safe reloading practices

---

Lee Precision Carbide 4-Die Sets are widely trusted for their efficiency, durability, and consistent performance. The .380 Auto ACP 4-Die Set provides the tools needed to produce reliable ammunition that feeds smoothly and performs consistently in compact semi-automatic pistols.