ASG - Hop-up chamber, AUG series - 17989

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This is an upgrade ULTIMATE® hop-up chamber for all Steyr AUG models from ASG. It is a reinforced design made from aluminum alloy. The construction has been made to greatly improve the air seal and its ability to absorb shock.
Furthermore, the inside has been polished resulting in reduced friction and improved stability as the BB’s travels thru.
For in-depth information on ULTIMATE® Upgrade Series, see catalogue.

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