Woodleigh steel jacketed FMJ's generate more pressure than our soft nose bullets for any given load.To assist the barrel's lead to engrave the rifling on the bullet, most Woodleigh FMJ's are 0.0005" to 0.001" under nominal diameter. It is important for the case neck to have a good grip on the bullets, especially when loading for dangerous game.

Factors which affect the grip are:- Bullet diameter and inside neck diameter. Inside neck diameter is a product of case neck wall thickness, die neck diameter and neck plug diameter. As a general rule, start with a charge 5% below that used for soft nose bullets, and work up.

Woodleigh steel jacketed FMJ's generate more pressure than our soft nose bullets for any given load.To assist the barrel's lead to engrave the rifling on the bullet, most Woodleigh FMJ's are 0.0005" to 0.001" under nominal diameter. It is important for the case neck to have a good grip on the bullets, especially when loading for dangerous game.

Factors which affect the grip are:- Bullet diameter and inside neck diameter. Inside neck diameter is a product of case neck wall thickness, die neck diameter and neck plug diameter. As a general rule, start with a charge 5% below that used for soft nose bullets, and work up.