"Bullets.com is excited to announce the BL11180 Heavy-Sand for front and rear shooting bags! This 15-lb. bag of black sand has almost twice the density of silica sand for optimal rear bag stability, and is significantly less expensive than comparable density Zircon sand. It is benchrest competition legal and used by top U.S. F-Class Team shooters. In addition, it is clean, dry and free of organic material."
