Maxim Defense | RUGER MKIV-SD | .22 LR | 5.95 in | 10rd

The Maxim Defense RUGER MKIV-SD is an integrally suppressed variant of the Ruger Mark IV chambered in .22 LR. It pairs a 5.95-inch barrel with an integral suppressor tube that measures 7 inches by 1 inch in diameter. Construction uses a 4130 steel suppressor tube with aluminum baffles and the pistol includes an optics mount and a 10-round magazine.

Product Specifications

• The model is RUGER MKIV-SD Suppressor.
• The manufacturer is Maxim Defense Industries.
• The caliber is .22 LR.
• The magazine capacity is 10 rounds.
• The barrel measures 5.95 inches for balanced handling.
• The integral suppressor tube measures 7 inches long.
• The suppressor tube diameter is 1 inch.
• The suppressor tube is constructed of 4130 steel.
• The baffle system is made from aluminum for efficient gas management.
• The action is semi-automatic.
• The finish is anodized.
• The color is black.
• The grip material is black synthetic.
• The pistol includes an optics mount for sighting accessories.
• The UPC is 680017480189.

Designed for quiet, accurate .22 LR performance, the MKIV-SD is well suited to precision target shooting and small-game hunting where reduced report and consistent handling matter. Its integrally suppressed architecture and durable materials provide a refined rimfire platform for shooters who prioritize accurate, low‑noise operation.