HSM Ammunition Subsonic .45 Long Colt 400 Grain Flat Nose Brass Cased Rifle Ammo 20 Rounds 20BX/CS. 45 Long Colt 400 Grain Flat Nose Brass Cased Rifle Ammunition online at OpticsPlanet. This HSM Ammunition Ammunition features Flat Nose (FN) bullets that deliver powerful stopping power flawless precision and predictability. With premium brass cases packed with flat nose (fn) bullets you ll deliver optimal results for hunting. With incredible savings on Ammunition and other superior rifle ammo from trusted brands like HSM Ammunition you re sure to find the ideal cartridge for your next outdoor adventure or training session. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for HSM Ammunition Subsonic .45 Long Colt 400 Grain Flat Nose Brass Cased Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .45 Colt Number of Rounds: 20 Bullet Type: Flat Nose (FN) Bullet Weight: 400 grain Cartridge Case Material: Brass Application: Hunting Primer Style: Centerfire Package Contents: HSM Ammunition Subsonic .45 Long Colt 400 Grain Flat Nose Brass Cased Rifle Ammunition What is HSM Ammunition Subsonic .45 Long Colt 400 Grain Flat Nose Brass Cased Rifle Ammunition good for? The manufacturer suggests that it is suitable for hunting.HSM Ammunition 45C-10-N: Subsonic 45 Long Colt 400 Grain Flat Nose Brass Cased Rifle Ammo 20 Rounds 20BX/CS