Bellefontaine Ohio's Local Gun & Knife Store. Knives Hand Guns AR15 AK47 SKS BIPODS Lights Lasers Foregrips Many Gun Accessories The History of and Mad River Knife & Supply I started MilSurpStuff in August 2005, as a side business, listing accessories for Mosin Nagant and SKS rifles on auction sites. A short while later the website was created and I expanded my products to accessories for other firearms including the Ar15, AK47, Endfield, Mauser and others. In 2007, we started to sell a few knives. After the line continued to grow, I created At this time, sold the shooting accessories and sold the knives. It made it impossible to buy a knife and an AR15 stock and have them shipped together, so we had the 2 sites share one database with all of the products. Now you could buy anything from either site.