Shop now and get Free Value Shipping on most orders over $49 to the
contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.
Enjoy our FREE RETURNS
We want to ensure that making a return is as easy and hassle-free as possible! If for any
reason you are not satisfied with your purchase, simply return the item within 30 days of
receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
JavaScript is blocked by AdBlocker or ScriptBlocker
We're sorry - it looks like some elements of OpticsPlanet are being disabled by your AdBlocker.
Unfortunately we are unable to offer our excellent shopping experience without JavaScript.
Please add "opticsplanet.com" and "https://opl.0ps.us/assets-c709c3341c1/" to whitelist,
or disable AdBlocker for this site (please note that we do NOT feature any annoying ads on this website).
Thanks!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
Underwood Ammo .45-70 Government +P 430 Grain Coated Hard Cast Nickel Plated Brass Cased Rifle Ammunition 751 for Hunting 34% Off
Great ammunition. Visited with The Underwood Ammunition Supervisor, The Gentleman referred me to His Ballistic engineer. That Gentleman, stated that Their ammunition is loaded to.SAAMI STANDARDS.THE +P AMMUNITION IS LOADED TO 40,000 psi.The standard ...
Read More...
Underwood Quality.
A real formidable load for the toughest, meanest game in North America.
Another real stopper load.
Recoil.is there, but any cartridge with this much kinetic.energy will make You notice.
Bench it by a few rounds, then carry it.
Ma...
Read More...
1/1 found this helpful
Most Recent Reviews
Incredible
by
Walla2k5,
Verified Owner,
September 25, 2025
Pull the trigger goes bang. Underwood quality, consistent velocities
Fired from a Marlin 1895 Trapper Magpul Edition…. Without question this ammo is not for the faint at heart.
Great combo on a sling while on walkabouts in western Montana. Yes, no question it’s capable of taking down a large grizzly provided can you h...
Read More...
Product Info for Underwood Ammo .45-70 Government +P 430 Grain Coated Hard Cast Nickel Plated Brass Cased Rifle Ammunition
Underwood Ammo loads premium ammunition with a focus on reliable accuracy using new brass, high quality projectiles and primers, and clean burning flash suppressed powders.