The Advanced locking ring is designed to replace the current O-ring (Normally brass) ring at the end of setting up the hop unit, however, with the original, there is a tendency for a wobbly gap in between the components which would tilt the barrel at an angle.
Once the new O-ring is installed, it will ensure a snug fit to restrict the motion of the barrel that is inside the hop-up chamber. It will secure the inner barrel and maintains itself steadily locked in the true horizontal position. Even when shots are fired, which is the moment where there is the most stress and vibration at the hop-up, the O-ring will ensure the structure is intact.
This in turn will create a dependable system for the BB to travel down the barrel undisturbed for the most consistent and accurate shots.
The new Advanced O-ring is also designed longer in size to lock more of the inner barrel and hop-ups surface area to further stabilize the sensitive system.

Features:
- Fully lock on the inner barrel and hop-up chamber.
- Elongated O-ring to latch onto the inner barrel.
- Stabilized System Prevents any vibrational shift on the hop set-up.
- Improve shooting consistency.
- Tough Polycarbonate Construction. 6x silicone O-rings are also included with the package used to replace the spring that goes along the inner barrel. Tests incrementally you need for a perfect fit.
In general, anything that moves in the rifle, especially in the hop-up/ inner barrel should be strictly locked down to eliminate the factors that could affect the consistencies of the shots fired.
This upgrade is for those who would strive for absolute perfection for their gun setup.

Thinking of installing an R-Hop set-up on your AK47 AEG rifle? Instead of modifying your stock ARM by cutting /sanding which may run the risk of an unbalanced force pressing on the R-hop patch - our R-HOP arm is designed to be a drop-in upgrade to mitigate the risk to give a perfect, TDC (top-down-centre) evenly forced pressure.

Features:
- TDC Top-down-centre force applied evenly on the R-Hop patch.
- No need for modifying the stock arm and adding M-nub (our arm provides both!)
- Easy drop-in with no modifications required.
- M-nub provides an even distribution of force applied across the whole surface of the R-Hop patch.
- Tough Polycarbonate Construction.

Airtech Studios

Airtech Studios Advanced Inner Barrel Locking Ring & Advanced R-HOP Arm - AK47/RK74