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Manufacturers Lee

Lee Double Cavity Mold TL 309-230-5R #90307

$89.00 incl GST

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06000

Lee, Bullet Casting

Specifications

brand: lee
device: bulletcasting

Description

Lee Double Cavity Mold TL 309-230-5R #90307

TL309-230-5R Double Cavity Bullet Mold for 30 Cal Rifle (300 AAC Blackout). Subsonic is the best. Fast Twist Rifling is required. Handles are also supplied.

Additional Information:

⁍ .309 Diameter
⁍ 230 Grain
⁍ Tumble Lube
⁍ 5 Ogive Radius


Best Suited For

  • .300 AAC Blackout (subsonic loads)
  • Suppressor use / quiet shooting setups
  • High-volume bullet casting (budget-friendly)
  • Reloaders using fast twist barrels (1:7–1:8 recommended)
  • Hobbyists who want low-cost cast bullets vs factory projectiles

When To Use It

  • When producing heavy 230 grain bullets for subsonic performance
  • When you need consistent feeding in AR-style rifles (rounded ogive design helps)
  • During bulk casting sessions due to fast heat-up aluminum blocks
  • When using tumble lube (Lee Liquid Alox) instead of traditional lubing

Technical Information

  • Model: TL309-230-5R
  • Part Number: 90307
  • Cavity: 2-cavity mold
  • Bullet Diameter: .309"
  • Bullet Weight: 230 grains
  • Bullet Style: Round Nose (5 ogive radius)
  • Material: Aluminum mold blocks
  • Lube Type: Tumble lube design
  • Gas Check: No (plain base)
  • Handles: Included
  • Bullet Length: ~1.36"

FAQs

1. Is this mold good for beginners?

Yes. Lee molds are widely considered entry-level friendly due to ease of use and affordability.

2. Does it require gas checks?

No. It’s a plain base tumble-lube design, but some users experiment with gas checks on the boat-tail.

3. What twist rate is needed?

A fast twist barrel (1:7 or similar) is recommended to stabilize the heavy 230gr bullet.

4. What alloy works best?

Standard lead alloys (e.g., wheel weights) work well; final weight may vary depending on composition.

5. Do I need to size the bullets?

Often not required due to tumble lube design, but sizing may improve accuracy depending on your rifle.

Delivery and Compliance

  • Classified as a reloading accessory (non-serialized item)
  • Generally legal to ship, but:
    • Some retailers restrict international export (especially from USA)
    • Always check local firearm/reloading laws in your country
  • Shipping may be limited depending on supplier policies

Questions?

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