David Tubb Conditioning
Unforgiven, about 3 years ago I used David Tubbs system on my rifle. He didn't have loaded ammo at that time. My rifle is a FNA1 SPR in 308,Leupold Mark IV LRT, it consistently shot .5 moa with Win brass,Hornady HPBT 168 gr bullets. I had probably shot 500 rds through it...