This high-quality metal shim set is perfect for players who modify their AEG and wish to have the best fitting possible. These mechbox shims come in a variety of thicknesses to compliment any custom install or modification you may be doing to your AEG. The full metal construction ensures these ships won’t break apart in your rifle or create a weak point within your gearbox.

Features:

• 6 x 0.1mm Large Shims
• 6 x 0.2mm Small Shims
• 6 x 0.3mm Large Shims
• 6 x 0.5mm Small Shims