Otter Creek Infinity 556K | 5.56 Suppressor | Haynes 282

Otter Creek Labs Infinity 556K is a compact suppressor designed for .223/5.56 NATO use and built from Haynes 282 alloy. It measures 5.5 inches in overall length and is offered in a matte black finish. The design uses an adjustable end cap system to tune back pressure for different platforms and ships with a medium back pressure end cap installed. Typical applications include precision target shooting and range training.

Product Specifications

• The model is Infinity 556K.
• The manufacturer is Otter Creek Labs.
• The caliber/gauge is listed as .223 REM / 5.56 NATO.
• The overall length is 5.5 inches.
• The weight is 14.5 oz.
• The material is Haynes 282.
• The outside diameter is 1.75 inches.
• The thread pattern and mount compatibility is 1.375×24 / HUB and Bravo compatible.
• The finish/color is Black (matte).
• The suppressor features an adjustable end cap system and ships with a medium back pressure end cap installed.
• Included in the box are one end cap, a tube clamp, and stickers.
• The warranty is listed as Lifetime.
• The UPC is 664533654385.

Engineered for durability and configurability, the Infinity 556K combines Haynes 282 construction with an adjustable end cap system so shooters can tune back pressure across platforms from bolt-action rifles to over-gassed AR or AK platforms. Its compact profile and low back pressure make it suitable for precision sessions and extended range work where reduced report and rapid follow-up are priorities.

Users commonly praise its durability and low back pressure; others report effective performance on both short and long barrels.