What additional equipment do I need to use the Hornady A68SPC Modified Case?

This modified case requires a Hornady Lock-N-Load O.A.L. Gauge body, available in either Straight or Curved versions, to function correctly in your reloading setup. Additionally, you will need a standard set of dial or digital calipers fitted with a bullet comparator to take your final measurement.

Can I use this modified case for 6.8 Western or .270 Win cartridges?

No, the A68SPC model is engineered exclusively for 6.8 Remington SPC chambers featuring a .277-inch projectile diameter. It will not function correctly in 6.8 Western, 6.5mm, or .270 Win chambers due to differing case dimensions and shoulder angles.

How does the modified case allow the bullet to slide freely for accurate measurements?

The case mouth and neck on the A68SPC are reamed approximately .002 inches oversized compared to standard SAAMI dimensions. This slight tolerance increase allows a test projectile to slide smoothly and concentrically without binding when it contacts the rifle chamber lands.

Does this mechanical reloading tool require any Australian electrical compliance or SAA approval?

As a fully mechanical, non-electric brass reloading gauge, the Hornady A68SPC requires zero power and has no electronic components. Therefore, it does not require 240V compatibility, SAA approval, or RCM compliance for use in Australian workshops.

6.8 SPC Modified Case - Hornady A68SPC

The Hornady Lock-N-Load Modified Case (6.8 Remington SPC) (MPN: A68SPC) is a mechanical chamber measurement tool designed to identify the exact point where a projectile touches a rifle's rifling lands. Manufactured from factory brass to standard SAAMI chamber dimensions, this modified case features a threaded case-head that attaches directly to Hornady Overall Length (O.A.L.) Gauge tools. The case mouth is reamed approximately .002 in (0.05 mm) oversized, allowing .277 in (6.8mm) projectiles to slide freely without tension while maintaining concentric alignment. This enables handloaders to calculate precise bullet "jump" and determine true maximum Cartridge Overall Length with .001 in accuracy.

Key Features

Precise Throat Contact Measurement: Allows reloaders to measure the exact distance to the chamber throat lands to within .001 in, optimising bullet seating depth for specific rifle chambers.
Oversized Reamed Case Mouth: Case neck is enlarged by .002 in (0.05 mm) to allow smooth insertion and extraction of test projectiles without binding or sticking.
Threaded Interface: Features a factory-threaded case base designed for direct attachment to Hornady Straight (C1000) and Curved (C1550) O.A.L. Gauges.
SAAMI Dimensioned: Built to standard 6.8 SPC chamber tolerances for consistent alignment in standard factory chambers.
Purely Mechanical Operation: Requires no electrical power or batteries, operating as an unpowered handloading measuring tool.

Specifications

Manufacturer Part Number: A68SPC
Cartridge / Calibre: 6.8 Remington SPC (.277 in / 6.8mm projectile)
Case Length (Nominal): 1.676 in (42.6 mm)
Neck Modification: Reamed .002 in (0.05 mm) oversized
Measurement Precision: .001 in (when paired with an O.A.L. gauge and comparator)
Material: Standard SAAMI-spec brass
Packaged Weight: Approximately 15–30 g
Tool Compatibility: Hornady Straight O.A.L. Gauge (C1000), Hornady Curved O.A.L. Gauge (C1550)

Who is the Hornady Lock-N-Load 6.8 Remington SPC Modified Case for?

Precision handloaders developing 6.8 Remington SPC loads — reams the case mouth .002 in (0.05 mm) oversized to hold a .277 in (6.8mm) projectile without neck tension, enabling reloaders to find the exact chamber distance to the lands across nominal 1.676 in (42.6 mm) 6.8 SPC brass cases.
Reloaders tracking chamber throat wear in 6.8 SPC rifles — delivers .001 in measurement precision when paired with a compatible gauge, allowing shooters to quantify throat erosion over the life of a 6.8 Remington SPC barrel.

Less suitable for: Firearm chambers chambered in 6.8 Western, 6.5mm, or .270 Winchester, which require caliber-specific modified cases matched to their respective case dimensions, or custom non-SAAMI chambers that require custom-drilled fire-formed brass.

SKU	HN102506LP
Model #	A68SPC
Brand	Hornady
Shipping Weight	0.0100kg

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Hornady A68spc Modified Case 6.8 Remington Spc Precision Brass

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