Will these 103 grain ELD-X bullets stabilise in my factory .243 Winchester rifle with a 1:10" twist barrel?

No, Hornady specifies a minimum recommended barrel twist rate of 1:8" or faster for this 1.260-inch long projectile. Legacy .243 Winchester barrels featuring a 1:9.125" or 1:10" twist will fail to sufficiently stabilise the bullet, leading to poor accuracy, so shooters with slower barrels should select lighter 80-90 grain alternatives.

How does the Heat Shield tip maintain ballistic performance during extended outback shooting sessions?

The Heat Shield tip is manufactured from a special heat-resistant polymer designed to resist aerodynamic heating caused by high friction during flight. By preventing tip melting and deformation, it preserves the high G1 ballistic coefficient of 0.512 and ensures consistent trajectory over extended ranges.

Are reloading projectiles subject to any special firearms licensing requirements or electrical standards in Australia?

As unprimed reloading components, these bullets are free from electrical standards like SAA or RCM certification, as 240V mains power does not apply. However, they are regulated under State and Territory firearms legislation, meaning you may be required to present an appropriate firearms licence matching the calibre when purchasing from XHunter.

What kind of terminal performance can I expect when taking medium game at extended distances?

The ELD-X bullet is engineered for controlled expansion across all conventional hunting distances down to low velocities under 2,000 fps. At extended ranges, the Heat Shield tip drives into the core to initiate expansion while retaining an impressive 85 to 90 percent of the bullet weight for deep penetration.

6mm Bullets - Hornady 24550

The Hornady .243 / 6mm 103 Grain ELD-X® (Extremely Low Drag – eXpanding) bullet (MPN: 24550) is a match-grade, all-range hunting projectile designed for handloading. Engineered for medium-game hunting across broad operational envelopes, this 103-grain (6.67-gram) projectile pairs aerodynamic efficiency with controlled terminal expansion. At impact velocities of 2,500 fps or higher, an internal InterLock® ring and tapered jacket retain 50% to 60% of bullet weight, while at extended ranges below 2,000 fps, the polymer tip drives rearward into the core to yield mushroom expansion and 85% to 90% weight retention.

Key Features

Heat Shield® Polymer Tip: Resists aerodynamic friction heating during flight to prevent tip degradation, preserving high ballistic coefficients across extended flight paths.
AMP® Bullet Jacket: Features an Advanced Manufacturing Process concentric jacket with a secant ogive and boat-tail base for uniform rotational balance.
InterLock® Terminal Retention: Tapered jacket shank combined with an internal InterLock ring limits core-jacket separation across both high-velocity close impacts and lower-velocity downrange strikes.
Controlled Terminal Performance: Built for medium-game application, including deer, feral goats, wild dogs, and pigs across distances extending from 0 to beyond 400 yards.

Product Specifications

Calibre / Bullet Diameter: 6mm (.243 inches)
Bullet Weight: 103 grains (approx. 6.67 grams)
Overall Length (OAL): 1.260 inches (32.0 mm)
Sectional Density (SD): 0.249
Ballistic Coefficient (G1): 0.512 (≥2,512 fps / Mach 2.25); 0.505 (Mach 2.0); 0.498 (Mach 1.75)
Ballistic Coefficient (G7): 0.258 (Mach 2.25); 0.253 (Mach 2.0); 0.251 (Mach 1.75)
Minimum Recommended Barrel Twist Rate: 1:8" (1 turn in 8 inches) or faster
Packaging Quantity: 100 projectiles per box

Who is the Hornady .243 6mm 103 Grain Eld-X Bullets 100 Pack for?

Long-range medium-game hunters — requires the G1 ballistic coefficient of 0.512 delivered by this reloading rifle projectile to maintain consistent terminal expansion and flat trajectories across extended distances in modern cartridges like 6mm Creedmoor and 6mm ARC.
Handloaders with fast-twist .243 Winchester rifles — relies on the minimum recommended 1:8" barrel twist rate required to fully stabilise this 103-grain, 1.260-inch long projectile for precision hunting loads.

Less suitable for: Shooters using legacy .243 Winchester rifles equipped with 1:9.125" or 1:10" twist barrels, which cannot properly stabilise this 1.260-inch bullet; lighter 80-grain to 90-grain hunting projectiles are better suited for these slower barrel twists.

SKU	HN42790LP
Model #	24550
Brand	Hornady
Shipping Weight	1.0000kg

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Hornady 24550 Eld-X Bullets 6mm 103 Grain 100 Pack

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