Load data for .405 Win. + 300gr Hornady InterLock SP

245 suitable loads across 47 powder(s) for cartridge .405 Win. with 300gr Hornady InterLock SP bullet.

The most recommended powders for this combination are Hodgdon H322, Alliant Reloder-10x and Alliant AR-Comp.

.405 Win. cartridge with combo bulletSeated DepthL3 = 2.580 in / 65.53 mmL6 = 3.175 in / 80.64 mmSeated Depth = .480 in / 12.19 mm

Based on SAAMI, the max. allowed case length is 2.583 in / 65.61 mm, the max. cartridge length is 3.175 in / 80.64 mm, and the max. allowed pressure is 46,000 PSI / 3,172 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.580" | 65.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.528" | 13.4 mm
Case Capacity:78 gow | 5.05 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):46,000 psi | 3,172 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist

Get PRO license to unlock all data and calculators

Community Loads for .405 Win. + 300gr Hornady InterLock SP

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

PowderCharge (gr)C.O.L.Barrel LengthVelocity (fps)Pressure (psi)

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.