19.44 g / 300 gr Lock Base FMJBT B557

The Lapua Lock Base bullet/h2>
Lapua’s Lock Base bullet is a Lapua innovation which combines a full metal jacket and boat tail with a patented base design. This rifle bullet is suitable for mid-range and long range shooting and it has proven its worth in sport shooting arenas as well as military and law enforcement applications over time.

Product no.	4 PL/HL 8011
Caliber	8.61 mm (.338)
Bullet	FMJ Boat Tail, Lock Base
Bullet Code	B557
Bullet diameter	8.60 mm (.338'')
Bullet type	FMJBT (Full Metal Jacket Boat Tail)
Bullet weight	19.4 g (300 gr)
Purpose	Tactical
BC G1	0.765
BC G7	0.383