Beware of scammers.

"Remington 721" is stamped on the outer middle left side of the receiver

The serial number is "1 1 2 9 8 2" and is located on the front left side of the receiver.

The rear left side of the barrel is stamped with "375" (which I know is 375 H&H Mag) and the rear right side of the barrel is stamped ...

Pictures Continued .........................

It's May 19 -2025 and I picked up the Remington721 .375 H&H Mag today!

The following pictures have Winchester model 70 deluxe rear and front sight next to the gun but as I said in my previous comment I'm wanting to find the original sights to put on it.

And so I'm sending a shout out for anyone ...

The barrel is not a factory Remington, the rifle was rebarreled after it left the factory.

The only real way to tell is to pour a chamber cast and compare those dimensions to a drawing of the .375 HH chamber specs. The bolt should have a magnum bolt face, and there might be an imprint of a head ...

Good news!

I was able to get through to the seller to let him know my concerns. He was very considerate and helpful.
He assured me that he has personally known the previous gun owner for many years, and he said theyre shop keeps a large variety of misc cartridges just for situations like this ...

I just bought a rifle on GunBroker.
The seller has the gun at his pawn shop down in Florida where as I'm in Ohio.
He labeled the gun as being Remington model 721 and in .375 H&H Magnum.

Upon a couple people suggesting to me that I should be making sure this gun is actually a H&H Magnum version of ...