S&B .308 WIN. HPBT/OTM 11,7 G

S&B .308 Win HPBT Match is a sport shooting cartridge with an 11.7-gram or 180-grain hollow point boat-tail bullet. The HPBT bullet is primarily designed for accuracy, shape uniformity, and stable flight characteristics.

Suitable for use with

• .308 Winchester caliber precision rifles

• Sport shooting

• Precision shooting

• Target shooting

• Practicing at longer distances

• Competition shooting

• Shooters who prefer a 180-grain match bullet

• Firearms with a barrel twist suitable for this load

Why choose S&B .308 Win HPBT Match?

• 11.70 g or 180 gr HPBT bullet

• Hollow point boat-tail construction

• Bullet designed for precision shooting

• Ballistic coefficient G1 0.488

• Muzzle velocity 800 m/s

• Muzzle energy 3744 J

• Manufacturer recommended barrel twist 1:10–1:11

• 20 rounds per box

Technical data

• Caliber: .308 Winchester

• Bullet type: HPBT or Hollow Point Boat-Tail

• Bullet construction: hollow point boat-tail match bullet

• Bullet weight: 11.70 g / 180 gr

• Jacket material: CuZn 10

• Sectional density: 0.271 lb/in²

• Ballistic coefficient: G1 0.488 / G7 0.246

• Manufacturer recommended barrel twist: 1:10–1:11

• Total cartridge weight: 26.2 g

• Cartridge length: 71.10 mm

• +P load: no

• Estimated power factor: 472.5 kgr·fps

• Test barrel length: 600 mm

• Intended use: sport and precision shooting

Ballistic data

• At muzzle: 800 m/s and 3744 J

• At 100 m: 740 m/s and 3199 J

• At 200 m: 682 m/s and 2718 J

• At 300 m: 627 m/s and 2296 J

• At 400 m: 574 m/s and 1927 J

Trajectory comparison data

Manufacturer published points of impact with sights zeroed at 100 meters:

• 50 m: –0.4 cm

• 100 m: 0.0 cm

• 200 m: –13.0 cm

• 300 m: –47.1 cm

• 400 m: –106.3 cm

• 500 m: –195.4 cm

• Manufacturer specified maximum point-blank range: 166 m

In the package

• Product code: V341372

• Rounds per box: 20

• Boxes per transport case: 25

• Rounds per transport case: 500

• Approximate box weight: 0.58 kg

• Box dimensions not disclosed by manufacturer

Frequently Asked Questions

What does HPBT mean?

HPBT stands for Hollow Point Boat-Tail. The hollow point comes from the manufacturing method of match bullets, and the boat-tail improves flight characteristics.

Is the HPBT bullet an expanding hunting bullet?

Not necessarily. The HPBT bullet in this cartridge is designed for sport and precision shooting, not for controlled expansion. It should not be considered an alternative to a hunting hollow point bullet.

Why is barrel twist important?

Barrel twist affects bullet spin and stability. The manufacturer specifies a suitable range of 1:10–1:11 for this 180-grain load.

Is this more accurate than a regular FMJ?

The HPBT bullet is designed for precision shooting, but actual results depend on the specific firearm, barrel, ammunition batch, and shooter.

Are .308 Winchester and 7.62×51 NATO always interchangeable?

No. When selecting ammunition, always refer to the exact chamber marking and the firearm's user manual.

When is S&B .308 Win HPBT Match 11.7 g the right choice?

This load is suitable for .308 Winchester users who want a 180-grain match bullet for precision and competition shooting. The boat-tail shape and G1 ballistic coefficient of 0.488 help maintain bullet velocity.

A lighter 168- or 175-grain HPBT may perform better in some firearms. The appropriate bullet weight should be chosen based on the barrel twist and actual accuracy tests.

Expert recommendation

Test the ammunition with several groups of at least three to five shots. One good group does not guarantee consistent suitability of the load.

For longer distances, use the manufacturer's table only as a starting point. Actual velocity should be measured with a chronograph if possible, and the ballistic solution confirmed for your firearm and environmental conditions.

180-grain .308 Winchester match cartridge

S&B .308 Win HPBT Match 11.7 g combines a boat-tail bullet designed for precision shooting, a muzzle velocity of 800 m/s, and a G1 ballistic coefficient of 0.488.