Is your brother wanting this rifle for rats and chucks or for target? I originally loaded my M4 for varmints using 22-55gr BT's. I've now switched to 50gr VMAX's and man the pop is hugely different. Ooops nevermind I saw that you already have the VMAX's. If you haven't already check out the BC's on the 53gr VMAX.

Last edited by GoForBroke; 04/16/19.