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Heavy 450 Marlin Rifle Ammunition

SKU: 22B/20

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Heavy 450 Marlin Ammo
405 gr. J.F.N. - 
(1,975 fps/M.E. 3,507 ft. lbs.)
20 Round Box



This 450 Marlin ammunition is safe and is designed for use in ANY/ALL 450 Marlin firearms in normal operating condition.

We always use factory stock firearms to determine our published velocities, so you get true, actual field velocities with our ammo -- not exaggerated long laboratory test barrel velocities.

Item 22A (430gr. Hard Cast Penetrator)

➤  1901 fps Marlin 22-inch barrel
➤  1860 fps Marlin 18.5-inch barrel

Item 22B (405gr. JFN Expander)

➤  1974 fps Marlin 22-inch barrel
➤  1930 fps Marlin 18.5-inch barrel 

Item 22C (500gr. FMJ-FN Barnes Buster Penetrator

➤  1600 fps Marlin 22-inch barrel
➤  1558 fps Marlin 18.5-inch barrel

You'll note that these 450 Marlin loads are generating slightly lower velocities than their 45-70 counterparts. This is because the 450 Marlin brass (as made by Hornady) has a heavier web and as such the powder capacity was reduced, so the amount of propellant we can fit into the case is slightly less than with Starline 45-70 brass.

Item 22A  -- utilizes a flat nosed hard cast non-expanding bullet that will penetrate 5 to 6 straight line feet in muscle and bone.

Item 22B  -- uses a bullet that expands to an inch or more at our velocities and hence penetration is limited to about two feet in flesh and bone. This is the single most effective hog and black bear load ever devised in 450 Marlin. I won't use it on animals weighing over 800 lbs as it won't give adequate penetration at bad angles for animals for animals over 800 lbs. If you'll limit yourself to broadside (double lung) and CNS hits, this load will work on animals up to 2,000 lbs.

Item 22C -- utilizes an FMJ-FN bullet designed to penetrate 5 to 6 feet in flesh and bone.

Item 22B - Exterior Ballistics Charts for several Muzzle Velocities


Muzzle Velocity @ 2200 fps for Item 22B


Muzzle Velocity @ 2100 fps for Item 22B


Muzzle Velocity @ 2000 fps for Item 22B


Muzzle Velocity @ 1900 fps for Item 22B


Muzzle Velocity @ 1800 fps for Item 22B


Muzzle Velocity @ 1700 fps for Item 22B

Field Proven rifle and gun ammo. Maximum firepower ammo. Best ammunition for rifles and guns for sale. Buffalo Bore. Strictly big bore. Strictly Business.

You must be 18 or older to order ammunition. Ammunition must ship UPS ground. Due to Department of Transportation regulations, we cannot accept returns on Ammunition. Make sure to use the correct ammunition in your gun. Check local laws before ordering.

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Friends and Customers, 08-18-20


All shooters are being inconvenienced with what is happening to our society and the rush it is causing on ammo supplies. We have LOTS of ammo in stock and are making more at a huge volume on a daily basis. If our web site allows you to order any item, that means it is in stock—WE DO NOT TAKE ORDERS FOR ITEMS WE DO NOT HAVE! So, please do not email and ask if items are in stock. If they aren’t, the shopping cart will not take your order.

We have hundreds of customers to get orders to on a daily basis. In order for us to accomplish this for our customers, we ask the following.

  1. Be sure of what you are ordering. You are going to get what you ordered.

  2. Do not contact us and ask to change an order you’ve already placed. When we manually change orders it requires a lot of time that we do not have during this rush and it keeps us from serving all of our customers. If you’d like to change an order, we can no longer do that till things slow down, so simply place another order for more product, but PLEASE, NO MORE CHANGES after the fact!

  3. We NEVER have and never will take ammo exchanges or returns and then turn around and re-sale that ammo to unsuspecting customers as factory new ammo—this is not safe nor is it fair to customers who are buying what they think is new and safe ammo. No ammo is tamper proof! So please stop asking to exchange or get a refund for ammo you ordered, but have changed your mind about.

  4. Please do not contact us and ask for tracking numbers or “when will my ammo ship”? Our system automatically emails out tracking numbers on the orders we ship each day, however, because these emails are coming from a corporation shopping cart, many of these emails may go to your spam folder……..please look there. If it is not in your spam folder, that means we have not yet shipped. At current order rates, we are shipping within 5-7 business days of the time an internet order is placed. Please sit tight. Your ammo will arrive at the same time if you track it or not and will certainly arrive later if we are swamped answering questions instead of getting orders shipped. When 30-50 people per day send emails asking for tracking information and we have to pull that information up, then type it out and email it, it takes a huge portion of our work day that we should be using to ship those orders to customers in need. Please leave us alone so we can serve all of you. (ship to you) It’s a bit selfish, during times of shortages, when so many folks need to protect their families, to slow us down because you ordered carelessly or want to change your order. Right now, we expect you to do your part to help us all get the ammo we need in our troubled country.

These measures are hopefully temporary and will not be needed for long as we enjoy the interaction with our customers, so please, for the time being, be mindful of all those others who are also trying to get ammo during what I think is a societal meltdown/emergency. Hopefully, we can serve you all. We want you and your families to be armed and safe and we wish you the best during these trying times. My biggest concern is that things will worsen yet more, for a while. Until things straighten out in our government and society, we will have to streamline our customer service in order to serve all customers. Thank you for your understanding.

Good shooting and God bless,

Tim Sundles

I Understand