Spring for trigger mp-654k with reinforced design and elongated return spring, upgrade parts in repair kit made to order. This tuning details for modernization allows improve parameters, receive better performance and long recourse.
The proposed repair kit of reliable springs for improvement characteristics, much more reliably and suitable for all generations of the MP-654K. These springs a harder, made of strong steel. This repair kit includes:
1. Upper (enlarged) is about one and a half times longer than the standard one and it is made of better wire with quality coating,
2. Lower (hard), many times stronger than the standard and significantly more durable.
The package delivery includes improved repair kit of two springs.