Left Arm

Dreadnoughts with close combat weapons double their Strength in close combat (max 10) and ignore armour saves. These weapons count as power fists but strike at the Dreadnought’s normal Initiative. & If armed with two close combat weapons, the Dreadnought gains +1 Attack

Meltaguns are devastating short ranged "heat rays." Melta weapons roll an extra D6 to penetrate vehicles at half range.