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What does II. quality mean?
Products in the second quality category are 100% functional, but they may have a minor defect that does not affect the functionality of the product itself. Each product is inspected and only then released for sale.
All defects are individually mentioned for each product.
The products of the second quality category also come with a 2-year warranty.
Retroarms cylinders are manufactured in several variants, which are marked with the letters A-E. Each designation indicates use for a specific length of the weapon's inner barrel, or in the case of variant E, for a different type of mechabox.The table provides a guideline for the use of the cylinder based on the length of inner barrel lengths.
The cylinders are intended only for electric airsoft guns. The cylinder is made of stainless steel 1.4541 (magnetic steel), precisely CNC turned.The cylinder has a thermochemical treatment, meaning a surface hardness of 630HBA, and the surface is black, thus also protected against corrosion. It is advisable to lubricate the cylinder with oil, not grease - it can slow down the piston head during the shot.
