SOG Pentagon XR Folding Knife

The SOG Pentagon XR is a high-performance folding knife engineered specifically for defense and tactical readiness. Featuring a 3.66" cryogenically heat-treated CTS XHP stainless steel spear point blade, it delivers exceptional edge retention, corrosion resistance, and cutting power for demanding tasks.

Equipped with SOG's ultra-secure XR Lock, the knife provides smooth, single-handed ambidextrous deployment via the thumb stud, kick opener, or lock slide while withstanding up to 1,500 pounds of force. Textured G10 handle scales ensure a secure, slip-resistant grip in all conditions.

Key Features

Highlights

• BUILT FOR PROFESSIONALS - The MK3 design leverages feedback from users and aims to improve on all features that are relied on in professional use case situations, with a focus on defensive and combat use; the next level of enhanced pocket knife capability
• MADE FOR PERFORMANCE - Includes improved operation of the blade opening, fully ambidextrous operation and configuration of all features, improved blade design, greater hand comfort and upgraded materials; ergos, lock up, heft and smooth pivot operation
• XR LOCK - SOG's XR Lock allows for smooth, one-handed opening when intended with kick opener, thumb stud, or holding back the lock and flicking out the blade; provides built-in blade locking security when open, able to withstand 1500 pounds of force
• CRYO CTS XHP STEEL - A high hardness, corrosion resistant a 3.66" steel that is cryogenically heat-treated to SOG's unique performance specifications; CTS XHP provides the ideal combination of edge retention and durability for heavy use with minimal maintenance
• AMBIDEXTROUS DESIGN - A folding knife, designed for single-handed ambidextrous use, with all functions accessible by either hand, including reversible clip mount for left or right-hand carry; this knife has wide spear point blade and ultra-grip G10 handle

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Materials & care

Hand wash only with mild soap and warm water, then dry thoroughly. Periodically apply a light coat of knife oil to the pivot and blade to maintain smooth action and corrosion resistance.

How to use

Deploy the blade using the thumb stud, kick opener, or by sliding back the ambidextrous XR Lock and flicking the wrist. To close, pull back on the XR Lock slide with either hand and fold the blade safely into the handle.