MP-514K upgrade parts in repair set consisting of: trigger base with extended internal bore, spring having maximum long and weighting guide for stability piston, modernized details made to order. This advanced kit will allow achieve significant performance improvements.

The proposed upgraded set ideal suitable for MP-514K, MP-512M, MP-512C and MP-512. This tuned kit includes the following details:

1. Modernized trigger block of the mechanism is made of reinforced heat-treated steel, which makes it as strong and durable as possible. The updated design of this block of the mechanism allows improving indicators, thanks to the appeared increased course.

2. Corpulent inertial weighting agent, having an optimal length and diameter, made of solid bar reinforced steel. It is easily installed in the spring according to its internal diameter, due to its protruding front part fungus, additionally lengthens, while performing better interaction with the movable cylinder, contributing to its better centering fixation and stabilization during use, since the walls of the fungus have the intended rounded protrusions for better centering and eliminating loosening rolling cylinder during operation. Installing advanced weighting agent, the following options will improve:

- resource of the spring-cylinder interaction node will increase, as there will be a better, tighter conjugation of these elements, this moment will pleasantly and qualitatively affect the perceptible reduction of vibration,
- significantly improved accuracy and stability,
- other related indicators will rise,
- product as a whole will become more reliable and advanced.

3. Spring is made from a sturdy, high-quality wire that has an optimally chosen length and thickness to improve performance.

The package delivery includes advanced repair kit for upgrade.