Hsm Ammunition Hsm Ammo Tg .338 Lapua Mag 300 Gr. Berger Otm 3.76oal 20-pk. 338 Lapua Mag 300 Gr. Berger Otm 3.76oal 20-pk online at OpticsPlanet. This HSM Ammunition Ammunition features Jacketed Hollow Point (JHP) bullets that deliver strong stopping power superior accuracy and predictability. With incredible savings on Ammunition and other high-quality rifle ammo from trusted brands like HSM Ammunition you re sure to find the perfect firepower for your next hunting trip or range visit. Stock up today to save big on ammo and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for Hsm Ammunition Hsm Ammo Tg .338 Lapua Mag 300 Gr. Berger Otm 3.76oal 20-pk: Manufacturer: HSM Ammunition Caliber: .338 Lapua Magnum Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 250 grain Dimensions: 1.50 X 3.95 X 6.15 in Package Contents: Hsm Ammunition Hsm Ammo Tg .338 Lapua Mag 300 Gr. Berger Otm 3.76oal 20-pk