T4E TR / HDR68 STEEL Tuning Barrel with thread +2 attachments - (Up To 40J+ When added to our TR68 Custom Home Defense) AEG MP7 A1 the heart of the performance

the heart of the performance lies within the gearbox

You can easily load six

SHIPPING RESTRICTIONS: This item cannot be shipped to California

Velocity UP TO 450-500+ Is Tested FPS W/T4E 3gr

reinforcment on the forarms

T4E TR / HDR68 STEEL Tuning Barrel with thread +2 attachments - (Up To 40J+ When added to our TR68 Custom Home Defense) AEG MP7 A1 the heart of the performanceDetails Improvement: Extreme fit tolerances increased precision Diameter (inner) 17. 3 mm Silencer thread including reinforced spring Anti twist protection Attachment length 10cm with additional thread protection cover all three components are burnished Performance increase when installed in our TR68 CUSTOM HOME DEFENSE REVOLVERS! very high longevity