To test the penetration capabilities of various types of x45 mm NATO/ Rem. ammunition, with an eye toward home-defense use, I constructed two simulated wall sections, one consisting of two pieces of 1/2" sheetrock and the other two layers of 1"-thick pine boards. In both targets, the layers. Apr 05, ·LR penetrative ability. RWS ), what kind of materials penetration can we shoot through a billet of pine or other relatively soft wood about 4. Mar 05, · How many inches of wood can LR penetrate? Pine wood 36 grain. 1, FPS Copper Jacketed. Update: inches of hardwood not pine wood at yards.*Status: Open.