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Michael Wiseman, Vice President of Engineering, ARC Group Worldwide, Longmont, Colorado, accepted two Awards of Distinction in the Military/Firearms for Metal Injection Molding (MIM) components category in the 2023 Powder Metallurgy Design Excellence Awards Competition. The first award was given for an S-7 tool steel locking block housed within the lower receiver of a semi-automatic pistol for securing and stabilizing movement of the slide and barrel. The second award was given for a pistol slide stop used on a modern…

ARC Group Worldwide won a second Award of Distinction in the Military/Firearms Category for MIM components for a pistol slide stop. Prior to MIM processing this part was assembled from multiple pieces or machined. The MIM process provides a single, net-shape part that does not require any machining. The slide stop is used on a modern pistol to hold the slide open when the magazine is empty, or the user needs to open the action. The winners in the 2023…

In the Military/Firearms Category for MIM components, an Award of Distinction has been given to ARC Group Worldwide, for an S-7 tool steel locking block housed within the lower receiver of a semi-automatic pistol for securing and stabilizing movement of the slide and barrel. The locking block is a critical component of a 9-mm semi-automatic pistol and provides stability and support of the slide and barrel during actuation. The part is housed within a polymer frame that utilizes a single-action…