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Heavy 44-40 (44WCF) Pistol and Handgun Ammo

SKU: 44-40-185 HAMMER//20

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Heavy 44-40 (44WCF)
185 gr. HAMMER @ 1,120 fps/ME 515 ft lbs
20 Round Box

Item 44-40-185 HAMMER

Buffalo Bore Full Power Black Powder Equivalent Solid Soft Copper HAMMER Bullet 44-40 (44WCF) Ammunition

For nearly two decades, as of this writing, (12-20-17) our customers have been requesting some full power 44-40 loads. Because of the antiquity of this cartridge (It was first developed as a black powder only cartridge in the mid-1800s), there are numerous potential issues with making modern full power loads, as I will describe below.

Original 200gr. lead (not hard cast, but lead) bullets achieved around 1,000 fps from 7.5-inch barreled revolvers of the day and 1,300+ fps from rifles. Our new loads do that and a bit more with smokeless powders while staying within the black powder pressures of 13,000 CUP as maximum average pressure.

Back in the 1800s, there was no way for the gun/ammo industry to standardize pressures or firearm dimensions, hence my hesitancy to produce modern ammo designed for specific firearm dimensions of today. Allow me to give you an example of just one set of dynamics that are problematic. Early Colt revolvers specified a bore diameter of .427-inch, (44 SPL and 44 Mag. utilize .429-inch bore diameters) but some of those revolvers used a chamber throat of .423-.424-inch. This was done to raise pressures with black powder and get uniform ignition and higher velocity from revolvers (this is not an issue with rifles) by forcing that soft, pure lead bullet of around .427-.428 diameter into the smaller chamber throat and forcing that chamber throat to size down the bullet………..then, when that soft bullet would hit the .427 bore, it was soft enough to “slug up” to .427, seal the bore, shoot accurately and at high velocity. So here’s one of the problems in making modern ammo……. if someone is negligent enough to fire modern ammo featuring HARD CAST bullets through an old revolver with such undersized chamber throats……hard cast bullets are much harder than pure lead and if you try to force a very hard bullet through a grossly undersized chamber throat, that hard bullet will not easily size down like pure lead and would, therefore, raise pressures higher than the old iron (not steel, but iron) revolvers can withstand. To avoid this type of issue, please do not shoot this modern 44-40 ammo through any revolver made before 1900. By 1900, the steel used for these revolvers, was actually steel, not iron.

But (there has to be a but) another issue is that there are many old revolvers that are in very poor shooting condition and it is risky to shoot them with any ammo……so, I’m asking each shooter to be responsible and have any questionable revolvers checked by a competent gunsmith (not all gunsmiths are very competent) before firing them with any ammo. In America, folks are quite careless and thoughtless about what they do with firearms (believe me) and then when they make a mistake and hurt themselves or others, they simply sue…….never mind that they neglected to be responsible about their actions in the first place………this is modern America, where nobody accepts responsibility for educating themselves before they start shooting or involving themselves in many activities.

Frankly, I would not fire any ammo from any firearm that was made with steel for black powder use. The 1894 Winchester, chambered in 30-30 was the very first American firearm for civilians with barrel steel designed to contain the higher pressures of smokeless powder. By 1900 most gun makers were getting on board with higher pressure cylinder and barrel steel for smokeless powder. This would be a great place to ask you to read my essay on Aging your firearm.


You can see the list of firearms (and their corresponding velocities) I used to develop these modern 44-40 loads. We use real-world firearms to generate our advertised velocities. We believe it is an industry-wide duplicitous practice to use laboratory barrels to produce advertised velocities, which real-world firearms will never achieve.

Accuracy with all three new BBA 44-40 loads was good to excellent in all the firearms listed below.

Item # 44-40-185 Hammer is utilizing a soft copper alloy Hammer Bullet. The alloy used in this bullet is as soft as a copper alloy can get. Still, it’s doubtful that at a 1,300-fps impact on muscle it will mushroom much, if at all. If it hits bone at that velocity, it’ll likely mushroom depending on the size of the bone.

We are also using a flash suppressed powder to avoid blinding muzzle flash in the event you are forced to drop the hammer in low light when the criminal element and when wild animals are most active.

We do not intend to make a jacketed bullet load in 44-40 as jacketed bullets, in general, are not as slick as hard cast bullets and raise pressures far too much. We would have to load a jacketed bullet about 200-250 fps slower than a hard cast bullet to stay within the SAAMI max. average pressure spec. of 13,000 CUP.

➤ 1,430 fps -- Winchester Model 1892, 20-inch barrel, circa 1916
➤ 1,438 fps -- Uberti Model 1873, 19-inch barrel, circa 1997
➤ 1,140 fps -- Ruger Vaquero (large frame), 7.5-inch barrel, circa 2003
➤ 1,150 fps -- Colt New Service, 7.5-inch barrel, circa 1905
➤ 1,042 fps -- S&W Model 544, 5.5-inch barrel, circa 1980’s 
➤ 1,137 fps -- Custom (Brian Pearce made) SAA replica, 5.5-inch barrel, circa 2017 
➤ 1,065 fps -- Ruger converted 357 Mag. flat top, (by Jack Huntington) 4.75-inch barrel, circa 1959

We’ve noticed that when using older 44-40 revolvers, most of the chambers are rough with tooling marks. This can cause sticky extraction of fired casings even with pressures as low as these loads are generating. If you experience sticky extraction, the cure is simple. Please read my article on “Sticky Extraction of Fired Casings”.

I hope you enjoy this powerful and useful 44-40 ammo. I hope that you are responsible and thoughtful about which firearms you choose to fire it in. It will only take one irresponsible user of this ammo, to sue me for their own negligence and I will have to remove it from the market. Good shooting and God bless.



Item 44-40-185 HAMMER - Exterior Ballistics Charts for several Muzzle Velocities



Muzzle Velocity @ 1600 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 1500 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 1400 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 1300 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 1200 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 1100 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 1000 fps for Item 44-40-185 HAMMER


Muzzle Velocity @ 900 fps for Item 44-40-185 HAMMER


Field Proven pistol and handgun ammo. Maximum firepower ammo. Best ammunition for pistols and handguns 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