Nosler Partition 30 Cal 170gr Round Nose Bullets Box 50
S16851
- Nosler Partition — the original dual-core hunting bullet, trusted since 1948
- .30 calibre (.308in), 170 grains, round-nose profile
- Bullet length 1.030in, non-coated copper-alloy jacket, cannelure fitted
- Sectional density 0.256, ballistic coefficient 0.252
- Round-nose design suited to tubular-magazine rifles such as .30-30 Winchester
- Rear lead-alloy core locked by a special crimp for deep, controlled penetration
- Box of 50 unprimed component bullets for handloading — not loaded ammunition
The Nosler Partition is the bullet that built the company, and it remains one of the most trusted dual-core hunting projectiles available to UK handloaders. This .30 calibre (.308in) 170-grain round-nose version uses Nosler's signature dual-core, integral-partition construction: a fully tapered copper-alloy jacket ruptures instantly at the thin jacket mouth on impact, while the gradual thickening along the bullet's axis controls expansion and curls the jacket uniformly outward at both high and low velocities. The forward core mushrooms to deliver a devastating wound channel, while the partition wall retains the rear lead-alloy core, which keeps over half the original bullet weight intact for deep, reliable penetration. A special crimp locks the rear core in place, adding the strength needed to resist deformation under load pressure, and this version carries a cannelure for a secure case-neck crimp. The round-nose profile and moderate sectional density of 0.256 make it well suited to lever-action and other tubular-magazine rifles such as the .30-30 Winchester, where pointed bullets cannot safely be used. Supplied as 50 unprimed component bullets for handloading — this is not loaded ammunition.
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