Vipertech Buffer spring (regular/medium/winter) Type:Leather treatment (all 3) The hop nub is controlled

The hop nub is controlled in multiple axis and combined with high tolerances

where as when the stem is longer the mag catch can only be threaded in so much

Watch the video when you swipe the photos all the way

-Black nitride coating

This means there is no gap on vt lowers unlike RS moded catches

Vipertech Buffer spring (regular/medium/winter) Type:Leather treatment (all 3) The hop nub is controlledPurple PVD coating. Stainless steel. Winter spring is 2 pounds and 5 ounces at 8 inches of travel making it great for a super efficient Vipertech! Cold Weather strength spring is 3 pounds and 8 ounces at 8 inches of travel making this a good option for in between an efficient and a snappy cycling spring. Regular strength spring is 4 pounds and 8 ounces at 8 inches of travel which is just about identical to the stock Vipertech buffer spring! (Only its