.300 HAM'R Load Data

Alternative names: .300 HAMR, .300 Hammer

Our load data for caliber .300 HAM'R covers 414 bullets from 52 manufacturers and a total of 6,345 load recipes. In addition, our members have shared 0 load recipes.

Caliber .300 HAM'R specifications drawing

Caliber Overview

The .300 HAM'R is a .30 caliber cartridge developed by Wilson Combat, optimized for the AR-15 platform. It was introduced as a superior alternative to the .300 Blackout, offering increased velocity, energy, and range while maintaining compatibility with standard AR-15 components (except for the barrel).

The .300 HAM'R is based on the .223 Remington case, but it is lengthened and necked up to accommodate .30-caliber bullets. It typically fires 110-150 grain bullets with velocities reaching 2,600 fps (feet per second), delivering 30-30 Winchester-level performance in an AR-15 rifle.

This round is particularly effective for hunting medium-sized game (like deer and hogs) due to its higher impact energy compared to the .300 Blackout. It also offers better ballistic performance and longer effective range, making it suitable for defensive and tactical applications.

In terms of availability, Wilson Combat produces rifles, barrels, and ammunition specifically for the .300 HAM'R, but reloading components are widely available for custom loads. Overall, the .300 HAM'R is a highly capable cartridge that maximizes the potential of the AR-15 platform for hunting and self-defense.

.300 HAM'R load data is available with the following bullets:

.308 | 150gr | Prvi Partizan FSP

Prvi Partizan logo

.308 | 180gr | Hornady SP

Hornady logo

.308 | 146.6gr | Sax KDG-S

Sax logo

.308 | 147gr | Winchester FMJ Match

Winchester logo

.308 | 170gr | Nosler Partition

Nosler logo

.311 | 150gr | Frontier PH HPFB

Frontier Bullets logo

.310 | 125gr | Speer HP TNT

Speer logo

.308 | 180gr | Norma PlastSpitz

Norma logo

.311 | 180gr | Speer Hot-Cor

Speer logo

.307 | 110gr | Prvi Partizan FMJ RN

Prvi Partizan logo

.308 | 190gr | Winchester SPFN Silv.Tip

Winchester logo

.308 | 123gr | Prvi Partizan FMJ

Prvi Partizan logo

.308 | 135gr | AERO SB,- smax:13.10

Styria Arms | AERO logo

.308 | 150gr | Hornady SST InterLock L1.17

Hornady logo

.308 | 140gr | Osprey Virtus

Virtus logo

.308 | 170gr | Remington HP Core-Lokt

Remington logo

.308 | 85gr | AERO SOP,- smax:8.10

Styria Arms | AERO logo

.307 | 110gr | Prvi Partizan SP RN

Prvi Partizan logo

.308 | 142gr | IBEX TRD

IBEX logo

.308 | 155gr | Merlin Virtus

Virtus logo

.308 | 110gr | Speer TMJ

Speer logo

.311 | 180gr | Remington SPCL

Remington logo

.308 | 180gr | A-Square MONO RN

A-Square logo

.311 | 150gr | Norma Semi Soft Point

Norma logo

.308 | 166gr | Copper Bear

Copper Bear logo

.308 | 150gr | Hornady InterLock RN

Hornady logo

.308 | 180gr | Woodleigh HS

Woodleigh logo

.308 | 138gr | Hammer HHT

Hammer logo

.308 | 150gr | Speer Gold Dot

Speer logo

.308 | 135gr | AERO SB | HSD 1.5,- smax:13.10

Styria Arms | AERO logo

.308 | 93gr | Prvi Partizan FMJ RN

Prvi Partizan logo

.310 | 123gr | Barnes TSX BT

Barnes logo

.308 | 155gr | Atomic 29 HP

Atomic 29 logo

.311 | 180gr | Sierra Pro-Hunter

Sierra logo

.308 | 150gr | Ferrobull Entox Sport

Ferrobull Europe logo

.308 | 180gr | Hornady InterLock RN

Hornady logo

.308 | 150gr | Prvi Partizan FMJ

Prvi Partizan logo

.308 | 150gr | Hornady GMX

Hornady logo

.308 | 150gr | Sierra Pro-Hunter

Sierra logo

.311 | 174gr | Prvi Partizan FMJ BT

Prvi Partizan logo

.308 | 150gr | Woodleigh HS

Woodleigh logo

.308 | 180gr | Norma ORYX

Norma logo

.307 | 110gr | Prvi Partizan HSP

Prvi Partizan logo

.308 | 130gr | Atomic 29 HP

Atomic 29 logo

.311 | 130gr | Norma Soft Point

Norma logo

.308 | 110gr | Sellier & Bellot FMJ

Sellier & Bellot logo

.308 | 180gr | Swift A-Frame

Swift logo

.308 | 115gr | AERO SUB,- smax:11.40

Styria Arms | AERO logo

.311 | 180gr | Sellier & Bellot SPRN

Sellier & Bellot logo

.311 | 180gr | Norma Semi Soft Point

Norma logo

.308 | 145gr | SUS-TAC Blackout (S/B)

SUS-TAC logo

.308 | 105gr | AERO SBSR,- smax:11.10

Styria Arms | AERO logo

.308 | 65gr | AERO SOHS,- smax:8.40

Styria Arms | AERO logo

.308 | 110gr | Hornady InterLock RN

Hornady logo