Silent Industries AK Alpha Hopup

THE MOST FEATURE-PACKED AK HOP-UP EVER MADE!  The TRUE-TDC system ensures perfectly vertical nub movement—no tilting, no uneven pressure.

The included TDC trolley is compatible with various nubs, allowing you to customize your setup. Recommend Silent Industries Black Nubs, Blue Nubs, Pink Nubs, ML Omega, or other similar-height nubs, as the system is optimized for them. With maximum travel distance, this TDC system delivers exceptional hop performance, making it easy to lift heavy BBs with precision and consistency.

Adjustable Feed Tube
The Adjustable Feed Tube allows you to set its length, ensuring an optimal fit for your magazines.

By fine-tuning the length, you can improve feeding consistency and minimize vertical movement within the magwell.

(For users with magazines from different brands, test all of them first to find the best universal adjustment.)

TENSIONER RING SYSTEM
- The tensioner system is easy to assemble using Tensioner Rings!

- Package Includes: two rings, black & white 

- Black is for tighter lip tension

- White is lower lip tension

The only AK Hop-Up chamber on the market that fully supports the bucking lips!

BARREL ALIGNMENT GROOVE
- The Alpha features a groove that can help you with barrel alignment. It is recommend using this as a reference point, as some lower-quality barrels can have a misaligned hop-up window!

GAME CHANGER FOR HPA BUILDS
- HPA engines in general have much stronger BB loading force compared to AEGs; this sometimes can lead to issues such as double feeding, mid-cap syndrome, or BB placement.

- The Alpha chamber with its innovative bucking lip tensioner system can help with these issues, as you can fine-tune the loading resistance!

- It is a highly recommended chamber for Wolverine, PolarStar, Gate Pulsar, Sparklabs WOLF engine builds!

WHAT DO YOU NEED?
- Hop-up bucking (Maple Leaf Super Macaron, G&G Green, Madbull Blue/Red, Prometheus Purple, Begadi buckings)
- R-hop (Optional!)
- Tight and Very Tight tensioner rings (optional)
- Recommended nozzle length is standard 19,7mm (can be adjusted with the included shims!)

BRAND COMPATIBILITY

• LCT (PP-19 Vityaz, VSS, AS VAL too)
• E&L
• Arcturus
• Cyma

WHAT’S INCLUDED?

• Hop-up chamber base
• Adjustment Wheel & Dial
• Feed Tube
• Hop-up arm
• TDC nub carriage
• Blue Nub (Extended)
• M2 screw for the hop-up arm
• O-rings for the Hop-Up body (2 pcs)
• O-rings for the barrel (8 pcs)
• SHORT CNC C-clip
• Barrel Stabilizer
• 2x Shims for Nozzle Length Adjustment
• 2x Bucking Lip tensioners (Black & White)
• M3 Screw for Gearbox
• Use your favourite bucking and one of our Nubs for the Alpha!
• Try both Tensioner Rings!
• Shoot some heavy BBs! 0.28+ really recommended
• Carefully assemble it and double-check everything!