Reloading Accessories

Hornady OAL Modified Case 303 British A303

$20.00 incl GST

Hornady Reloading Components & Accessories: Provide Consistency and Precision

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10339

Hornady, Accessories

Specifications

brand: hornady
accessories: OAL Modified Case

Description

Hornady OAL Modified Case 303 British A303

Controlling seating depth and the resulting "jump" to the rifling is widely regarded as critical to improved accuracy. A few thousandths of an inch difference in bullet and rifling length can mean the difference between average accuracy and true tack-driver performance. The Lock-N-Load® O.A.L. Gauge is widely regarded as the most accurate, user-friendly, and dependable method of regulating seating depth and the resulting "jump" to the rifling. 


Additional Information:

Brand: Hornady
Cartridge: 303 British
Material: Brass
 

Best Suited For

  • Precision reloaders using .303 British rifles
  • Lee-Enfield and other .303 chambered rifle owners
  • Hornady O.A.L. Gauge users
  • Load development and accuracy tuning

When To Use It

  • When determining maximum COAL (cartridge overall length)
  • During precision load development
  • To measure distance to rifling (lands) for optimal seating depth
  • Ideal for improving consistency in vintage or surplus rifles

Technical Information

  • Product Code: A303
  • Calibre: .303 British
  • Type: Modified case (threaded for O.A.L. gauge)
  • Compatibility: Hornady Lock-N-Load® O.A.L. Gauge
  • Material: Factory brass case (pre-drilled & threaded)
  • Threading: Fits Hornady gauge rod
  • Reusable: Yes
  • Important Note: Not suitable for tight-neck or heavily customized chambers

The .303 British is a rimmed, bottleneck rifle cartridge typically using .311–.312" bullets, which makes precise seating depth measurement especially important for safe and accurate reloading.

FAQs

Q: What is this used for?
A: It helps determine the exact bullet seating depth relative to the rifling for improved accuracy.

Q: Why is this important for .303 British?
A: Many .303 rifles have varying bore and chamber dimensions, so custom seating depth improves consistency and safety.

Q: Can I make my own modified case?
A: While possible, factory Hornady cases are more precise and reliable.

Q: Is it reusable?
A: Yes, it can be used repeatedly during load development.

Q: Does it work with all .303 rifles?
A: It works with standard chambers but may not fit tight or custom chambers perfectly.

Delivery and Compliance

  • Ships via standard courier (non-hazardous accessory)
  • No special handling or documentation required
  • No firearms licence required
  • Classified as a reloading accessory (non-controlled item)

Questions?

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