Best .312 Bullets for Reloading: Top Die Sets, Molds, and Trays for Precision
When selecting components for reloading .312 caliber bullets, accuracy and consistency are paramount. This guide highlights five reliable products ideal for shooters who need precise seating, uniform molds, and organized benches. The top picks cover seating dies, reloading molds, and practical trays to streamline work for both seasoned reloaders and serious hobbyists. The buyers best suited for these items include those reloading small to mid-caliber rifles, enthusiasts building precision target loads, and anyone seeking consistent bullet alignment and depth control.
Summary Table of Selected Products
| Product | Best For | Why Pick |
|---|---|---|
| Frankford Arsenal Universal Bullet Seating Die | Seating depth control | Built-in micrometer for precise adjustments; supports .224–.338 cal |
| Lee Precision Reloading Mold 6 Cav .312 Dia 160 Grain | Mold for consistent bullets | Six cavities; precise diameter and weight |
| Lyman Cast Bullet Handbook | Reference and load data | Comprehensive manual for reloaders |
| RCBS .310-120-RN Bullet Mould | Alternative profile choice | Durable RCBS quality for .310 projectiles |
| Inline Die Kit and Handheld Tray Options | Integrated reloading workflow | All-steel construction and organized trays |
Frankford Arsenal Universal Bullet Seating Die
The Frankford Arsenal seating die provides precise micrometer-based adjustments for seater depth, enabling consistent seating for a broad range of calibers from .224 to .338. Best for reloaders who demand exact depth control and repeatable seating alignment. The device holds the bullet in place during seating and offers adjustable seating depth for fine-tuning.
Best for: Experienced reloaders who need exact micrometer-scale control and a versatile sizing range. Limitations: Might require additional setup to convert to specific seating depths for unusual projectiles.
Lee Precision Reloading Mold 6 Cav .312 Diameter 160 Grain
This six-cavity mold delivers consistent bullet diameter and weight, helping to produce uniform projectiles for .312 calibers. Best for shooters who want high production capacity at once and reliable mold construction. Handles are not included, so plan to source compatible handles separately.
Best for: Value-focused reloaders needing fast batch production. Caution: Handles not included; requires separate purchase.
Lyman Cast Bullet Handbook 4th Edition
This handbook is a foundational reference for serious shooters and reloaders, offering guidance on tools, accessories, and practical bullet-casting techniques. Best for: Reloaders seeking authoritative data and navigation strategies for cast bullets. Caution: Not a physical die or mold—it’s a reference guide, so rely on it alongside functional reloading gear.
RCBS .310-120-RN Bullet Mould
The RCBS bullet mold offers durable, all-steel construction with a .310-120-RN profile, suitable for rifle bullets in this size range. Best for: Reloaders seeking consistent performance from a traditional mold design. Caution: Limited to the specific cavity designation; consider compatibility with your cartridge plan.
Lee Precision Inline Bullet Feed Kit 35Cal
This inline feed kit features all-steel construction and a ball bearing escapement mechanism for smooth operation. Best for: Reloaders seeking a reliable, automated-feeding solution to improve workflow on the reloading bench. Caution: Some users may require additional components to fit specific presses.
Bullet Reloading Tray (Red) by Fit2Print
This tray is designed to hold 50 casings with dedicated compartments for primers and bullets, improving organization and workflow. Best for: Reloaders who value a stable, integrated workspace. Caution: Made from PLA and should be kept away from high heat to avoid warping.
Buying Guide: Key Considerations For .312 Caliber Reloading
- Seating and depth control: Choose gear with a micrometer or precise adjustment mechanism to ensure consistent seating depth for accurate bullet seating.
- Bullet molds: For .312 caliber, look for six or more cavities to increase throughput without sacrificing uniformity. Material and machining quality influence bullet consistency.
- Reference materials: A comprehensive manual or handbook helps validate load data and casting formulas, reducing guesswork for new loads.
- Tool compatibility: Ensure dies, molds, and trays fit your press type and calibers. Some items require additional accessories (handles, adapters, or primers).
- Workflow efficiency: Trays and inline feed kits can streamline operations, especially for large batches. Prioritize items that reduce handling steps.
- Material durability: Metal molds and steel-die components offer longevity, though some plastic trays provide cost-effective organization with heat considerations.
FAQ: Common Buyer Questions
- What is the advantage of a micrometer seating die? It allows precise depth control, producing uniform-seated bullets and consistent chamber pressures.
- Are six-cavity molds better than two- or four-cavity molds? Yes, for higher production, but ensure cavity count aligns with your casting and bullet design needs.
- Do I need handles for a mold? Some molds require separate handles; verify your mold package contents before purchasing.
- Can I use these items for calibers other than .312? Many items support multiple calibers; check the product specs for supported ranges.
- Is a reloading tray essential? It improves organization and reduces workflow friction, especially on busy benches.
- What safety steps accompany cartridge reloading? Follow standard safety protocols: wear eye protection, work in a clean area, and store primers and powders securely.