T-N.T. KWA M4 Full Hop-Up Retrofit Kit ( S+ Inner Barrel )

Fit for KWA-M4 / LM4 / MASADA / MEGA AR10 & AR15 / TAR-21 / HK416 / HK417 GBBR 

Simplify the original complex components.

The inner barrel can be used T-N.T. System all series of precision Air-cushion inner barrel series, has been changed to a general specifications , to rid itself of special specifications.

Change to using two jimi screws to fix the inner barrel, improve the original inner barrel shaking issues , improve the stability of shooting.

T-N.T. Retrofit kits : HOP-UP chamber is anodized aluminum , adjustment knob made by steel , improve the original breakable problem.

Adjustment range from the original approximately 0.3mm to 1.0~1.2mm.
May correspond 0.3g ~0.43g BB , more options more funs !!

Before shipping, completed by the T-N.T. STUFF assembly adjustment. Only need to remove the outer barrel's 2 fixing screws → placed in T-N.T. Retrofit Kit → lock fixing screw back → in accordance with the kind of BB to adjust the amount of HOP-UP → Complete !!

• All products are recommended to have DIY ability to make fine adjustments and modifications.
• Before the modify, recommended to check and exclude the original issues to achieve the best results, or commissioned by the store to modified.
• Replacement of kits does not mean that can solve all the original parts of the issues, sometimes still have to modify the other components to achieve the best performance.