Federal Swift A-Frame, 10MM, 200 Grain, Jacketed Hollow Point, 20 Round Box P10SA Harness the power of slugs without sacrifices. The Federal Premium Trophy Copper uses a unique sabot design to produce rifle-like accuracy at 200 yards through rifled barrels. The slug's deep, externally skived nose cavity provides superior expansion, while the polymer tip and sleek profile increase downrange velocity and game-dropping energy.