.308 | 180gr | TWENTY-NINE ERTP

About this bullet

.308 | 180gr | TWENTY-NINE ERTP is a bullet made by TWENTY-NINE. At 180 gr (11.7 g) and a diameter of 0.308'' (7.82 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.568 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:9.5 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 541 load recipes across 22 calibers for this bullet.

Most popular calibers for this bullet

Load data for .308 | 180gr | TWENTY-NINE ERTP bullet is available in the following calibers:

• .30 Nosler
• .30 R Blaser
• .30 Super Fl. H&H
• .30-06 Ackley Improved
• .30-06 R Stief
• .30-06 Spring.
• .30-378 Weath. Mag.
• .30-40 Krag
• .300 Blaser Mag.
• .300 H&H Mag.
• .300 Lapua Mag.
• .300 Norma Mag.
• .300 PRC
• .300 Rem. Ultra Mag.
• .300 Weath. Mag.
• .300 Win. Mag.
• .308 Norma Mag.
• 7.5 x 54 mm MAS
• 7.5 x 55 Swiss
• 7.62 UKM
• 7.62 x 53 R Fin.
• 7.82 Warbird

Safety notes

All load data is reference data only. Always start at the minimum charge and work up in small steps while watching for pressure signs. Never exceed the maximum charge published by the powder or bullet manufacturer.