Dead Air DA001 Muzzle Device Shim Kit 5.56

The Dead Air DA001 Muzzle Device Shim Kit is a compact set of precision shims intended to help time and index muzzle devices on 5.56 firearms. The kit contains three marked shims of differing thickness so users can achieve repeatable alignment. Each shim is identified for quick selection, and the manufacturer notes that the thickest shim should be installed at the barrel shoulder first. This kit is useful for range setup and device timing as well as fine-tuning equipment for competition or precision shooting.

Product Specifications

• The model number is DA001.
• The kit is intended for 5.56 firearms.
• The kit includes three shim thicknesses of 0.004″, 0.006″, and 0.060″.
• The shims are clearly marked for identification and installation; the thickest shim is to be placed on the barrel shoulder first.
• The listed material is Alloy Steel.
• The finish is listed as Natural.
• The product type is Accessory-Silencer Accessories.
• The model name is listed as Shim Kit.
• The kit dimensions are 0.65 x 1.40 x 4.50 (manufacturer-provided).
• The package dimensions are 4.5″ (W) x 6.0″ (L) x 1.0″ (H) as provided in the product data.
• The listed item weight is 0.01 (as provided in the product data).
• The kit is intended to assist with precise muzzle device timing and alignment during maintenance and setup.
• The UPC for this product is 810128160605.

This compact shim kit gives a straightforward, repeatable way to index muzzle devices where small adjustments are required. Its clearly marked shim set and simple installation procedure make it practical for gunsmithing benches, range setup, and competition prep when precise device orientation matters.