.338 | 220gr | Atomic 29 HP

About this bullet

.338 | 220gr | Atomic 29 HP is a bullet made by Atomic 29. At 220 gr (14.3 g) and a diameter of 0.338'' (8.59 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.387 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:14.0 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 1000 load recipes across 20 calibers for this bullet.

Most popular calibers for this bullet

Load data for .338 | 220gr | Atomic 29 HP bullet is available in the following calibers:

• .33 Nosler
• .33 Win.
• .338 Blaser Mag.
• .338 Federal
• .338 Lapua Mag.
• .338 Lapua Mag. Ackley Improved
• .338 Marlin Express
• .338 Norma Mag.
• .338 RCM
• .338 Rem. Ultra Mag.
• .338 Weatherby RPM
• .338 Win Mag.
• .338-06 A-Square
• .338-378 Weath. Mag.
• .340 Weath. Mag.
• 8.5 mm Messner Mag.
• 8.5 x 55 Blaser
• 8.5 x 63
• 8.5 x 63 R
• 8.5 x 68 Fanzoj

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.