The ASG Ultimate cylidners are designed to provide the best possible air compression and durability. ASG recommends to pair your Ultimate Cylidner with ultimate Cylinder head for best result. Steel Cylinders are made of true steel with treated surface to ensure low friction and maximum durability. The placement and size of the decompression holes are designed to provide maximum compression to increase performance.
For MP5, with an internal barrel length of 301-400 mm.
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