This Lapua .243 Winchester Naturalis ammunition is 90 grain. 20 per box. The Naturalis bullet is an advanced pure copper expanding bullet with a polymer tip to aid expansion. BULLETS Caliber Product No. Application Bullet name Product code Type Weight Ballistic Ballistic (diameter mm/inch) g grs coefficient BC G1 coefficient BC G7 6 mm (.243) N PL 6201 .243 Win (6.16 mm / .243) Naturalis N509 CEX 5.80 90 0.230 6.5 mm (.264) N PL 6101 6.5 mm (6.71 mm / .264) Naturalis N507 CEX 9.10 140 0.329 7 mm (.284) N PL 7028 7.00 mm (7.21 mm / .284) Naturalis N510 CEX 10.40 160 0.280 7.62 mm (.308) N PL 7102 7.62 mm (7.83 mm / .308) Naturalis N518 CEX 11.00 170 0.321 8 mm (.323) NPL 8008 8,00 mm (8.20 mm / .323) Naturalis N516 CEX 11.7 180 0.275 8.61 mm (.338) N PL 8020 .338 (8.60 mm / .338) Naturalis N508 CEX 15.00 231 0.373 9.3 mm (.366) N PL 9202 9.3 mm (9.3 mm / .366) Naturalis N522 CEX 14.30 220 0.344 Lapua 243 Winchester 90gr Naturalis-Solid Rifle Ammunition- 20 per box N316201