Return that "BS" back to Tenda and tell them to rip someone else off that's a complete fraudulent claim by them.
From the MCK USA website.
https://caagearup.com/product/mck-gen-2/
8 Advantages over the first gen MCK:
1. The Gen 2 MCK features a new extended stabilizer which allows the user to fire the Gen 2 MCK in the folded and locked position. The new stabilizer is compatible with Gen 1 MCKs as well.
2. The Gen 2 rear door extends back an additional 15 degrees, making it easier to insert and extract the handgun.
3. The Gen 2 MCK accommodates suppressor height sights.
4. The Gen 2 MCK features a new charging handle which makes more surface contact with the rear of the handgun slide.
5. The Gen 2 MCK features an aluminum top picatinny rail for improved stability, durability, and accuracy.
6. The Gen 2 MCK accepts CAA USA’s new brass catcher, made especially for our latest generation MCK. (Sold separately)
7. The Gen 2 MCK features an improved spare magazine holder that operates with a mag catch and magazine release button.
8. The Gen 2 MCK is suppressor friendly and can accommodate a suppressor up to 1.38” diameter.
Gen 1 See pic and look at the loading gate and charge handle (Non Captured) Ejection port (Different shape) Gas exhaust ports (Different shape 5 exhaust ports)
https://caagearup.com/product/mck-mi...it-stabilizer/
Gen 2 Charge handle (Captured) Ejection port (Different shape) Gas exhaust ports (Different shape 4 exhaust ports)
https://caagearup.com/product/mck-mi...it-stabilizer/