Designed with streamlined polymer tips to boost BC and improve long-range ballistics, the BARNES® Tipped TSX 7mm 140-Grain Rifle Bullets offer nearly 100% weight retention and 4 razor-sharp cutting petals to help create more internal damage. Copper bodies. BARNES Tipped TSX 7mm 140-Grain Rifle Bullets, 140GRAIN - Reloading at Academy Sports