Rotary style hop-up chambers were once relegated chiefly to the realm of aftermarket upgrades. Now it seems that many manufacturers have hopped on board the rotary train, and it’s not uncommon to see new AEG rifles coming equipped from the factory with this style of hop-up chamber.
There are some advantages to the rotary style chamber over the more conventional setups most will be familiar with. Chiefly, there are fewer moving parts; some designs entirely do away with the push-in retainer rings and all of them completely eliminate the trio of gears previously found on hop-up chambers. For pure ease of maintenance and fine tuning (especially on the hop-up arm), a rotary chamber makes a lot of sense. Continue reading “Rotary Chamber Roundup”