Can I use these .312 bullets in a standard .308 calibre rifle like a .308 Winchester?

No, you must not substitute these bullets into standard .30 calibre barrels with a 0.308 inch bore diameter. The Hornady #3130 is strictly sized with a 0.312 inch bullet diameter specifically for .303 British, 7.65x53mm Argentine, and 7.7x58mm Japanese barrels, and firing them through a tighter .308 bore will cause dangerous over-pressure spikes.

What is the recommended maximum effective range for hunting with these round nose bullets?

These round nose bullets are optimized for short-to-medium range hunting typically inside 150 to 200 metres. Due to their modest G1 ballistic coefficient of 0.262, extended ranges exceeding 200 metres will experience significant trajectory drop and wind drift, meaning hunters should switch to a pointed spire-point profile for longer distances.

Are there any specific firearms licensing requirements in Australia to purchase these reloading components?

Yes, in Australia, component projectiles are subject to state and territory firearms and weapons control legislation. Depending on your specific state, such as New South Wales, Victoria, or Queensland, purchasers may be required to produce a valid Category A or B firearms licence at the time of purchase.

What reloading accessories pair best with these bullets for loading .303 British ammunition?

To get started safely and efficiently with your handloads, these projectiles pair well with the Hornady Lock-N-Load Quick Change Die Bushing 2 Pack for rapid die changes on your press, and the Hornady Powder Cop Reloading Die to verify powder charges before seating the bullet. Additionally, ensure you use the correct shell holder such as the Hornady #33 shell holder designed specifically for rimmed cases like the .303 British.

.303 Bullets - Hornady 3130

The Hornady .312 303 Cal 174 Grain InterLock Round Nose (RN) bullet is a component reloading projectile engineered specifically for handloaders loading .303 British rifle cartridges. Built with an exposed lead tip, a tapered copper jacket, and Hornady's InterLock mechanical ring, this 174-grain projectile locks the jacket and lead core together to prevent core-jacket separation upon impact. Sized to a true 0.312-inch diameter, it matches the nominal groove dimensions of traditional military surplus and sporterised rifles, delivering dependable feeding, uniform chamber pressures, and deep penetration on medium to large game.

Key Features

InterLock Mechanical Ring: Embeds a raised internal ring into the bullet's one-piece core, mechanically securing the core to the jacket during terminal expansion to maximise retained weight.
Tapered Jacket and Inner Grooves: Features strategically weakened upper jacket sections to ensure uniform, controlled expansion across varied impact velocities.
Engineered Cannelure: Provides a secure crimping groove that supports uniform seating depth, consistent ignition pressures, and acts as a secondary mechanical lock.
Round Nose Profile: Offers a blunt frontal area paired with high mass, promoting straight-line penetration through heavy muscle tissue and bone.

Product Specifications

Product Type: Component reloading projectile
Manufacturer Part Number (MPN): 3130
Calibre: .303 Calibre
Bullet Diameter: 0.312 in (7.92 mm)
Bullet Weight: 174 grains (11.27 grams)
Bullet Profile: Round Nose (RN)
Sectional Density (SD): 0.255
Ballistic Coefficient (BC): 0.262 (G1)
Quantity: 100 projectiles per box
Calibre Compatibility: .303 British, 7.65x53mm Argentine, and 7.7x58mm Japanese barrels requiring a 0.312-inch groove diameter
Target Game Weight Range: Medium game (23 to 136 kg) and large game (136 to 680 kg)

Who is the Hornady .312 303 Cal 174 Grain Rn Interlock Bullets 100 Pack – For 303 British for?

Lee-Enfield Handloaders — Requires a true 0.312 in bullet diameter to seal properly in the nominal bore dimensions of surplus Lee-Enfield No. 1 Mk III and No. 4 rifles, preventing gas blow-by and erratic chamber pressures.
Australian Bush Hunters — Relies on a 174 grains mass combined with a 0.255 sectional density to deliver deep penetration and reliable terminal expansion on feral pigs and deer at close-to-medium ranges under 150 to 200 metres.

Less suitable for: Long-range shooting exceeding 150 to 200 metres, where the round nose profile's 0.262 G1 ballistic coefficient causes steep trajectory drop and wind drift; a pointed spire-point or boat-tail projectile fits extended distances better. It is also unsuitable for standard 0.30 calibre rifles, as firing this 0.312 in bullet through a 0.308 in bore diameter causes dangerous over-pressure spikes.

SKU	HN43000LP
Model #	3130
Brand	Hornady
Shipping Weight	1.0000kg

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Hornady 3130 Reloading Bullets 303 Cal 174 Grain Round Nose

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