Buck Knives 839 Wharncliffe Mini Deploy, Made in the USA, Auto Knife is a sub-two-inch push-button automatic knife designed for easy carry and lasting performance.

Utilizing a 1.875-inch Wharncliffe blade, the 839 Wharncliffe Mini Deploy offers smooth, machined aluminum handles coated in Cerakote in three colorways—Black, Blue and Orange—giving the knife a comfortable feel. The stepped lower edge provides extra grip. A removable, deep carry pocket clip lets this knife ride easily in a pocket.

Buck Knives warrants all its knives to be free of defects in material and craftsmanship for the life of the knife and will repair or replace any defective knife with a new Buck knife at the company’s option. Buck Knives does not warrant its products against normal wear, misuse or product modifications.

The knife comes in three colors. Listed to the right are the specifications for each knife in the collection.


The sale of automatic knives is subject to restriction by the laws of many states and territories in the U.S. and by Federal law. Federal law also restricts the interstate shipment of these knives except to certain customers. The federal restrictions are described in 18 U.S.C. § 1716(9) (as amended) and 15 U.S.C. §§ 1242, 1243 and 1244 (as amended).

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Image courtesy Buck Knives