That data can then be entered into our Shooter program … 50 BMG Some big, heavy, and efficient bullets like the .50 BMG can have a ballistic coefficient greater than one, but that topic is for another day. As a result, the ballistic coefficient changes much less with velocity than the C1 BC. The high ballistic coefficients, the book on Rifle Accuracy Facts, and the progressive gain rifling to name a few. How far will the bullet from a .50 BMG rifle travel? What is ... - Quora Ballistic coefficient 45-70 Government Ballistics Charts Some wiseacre thought it’d be a great idea to build a 6 lb. Supporter. You can move between 50 BMG, 375 and 408 CT as well as 416 Barrett in a matter of minutes. – Caliber: 50 BMG – Bullet Diameter: 0.510 – Bullet Weight: 647 Grains – Bullet Style: Hollow Point Boat Tail Lead-Free – Bullet Coating: Non-Coated – Quantity: Per 20.