.338 | 226gr | TWENTY-NINE SILENTIO

About this bullet

.338 | 226gr | TWENTY-NINE SILENTIO is a bullet made by TWENTY-NINE. At 226 gr (14.6 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 0.538 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:16.5 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 135 load recipes across 20 calibers for this bullet.

Most popular calibers for this bullet

Load data for .338 | 226gr | TWENTY-NINE SILENTIO bullet is available in the following calibers:

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

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.