RCM RCM-GP-LP80 #25 60-degree HI-IMPULSE locking piece for .40 S&W and 10mm HK roller-lock firearms.
The #25 60-degree locking piece is recommended when shooting HI-IMPULSE (hot) ammunition with your MP5/40 or MP5/10 style firearm.
Originally developed for 10mm ammunition pressures, the RCM #25 60-degree locking piece may be used when the cyclic rate of the firearm needs to be slowed down in order to maintain a safe and reliable operating condition.
MP5/40 MP5/10 LP REFERENCE
- #24 90-degree LO-IMPULSE
- #25 60-degree HI-IMPULSE
- #26 80-degree MID-IMPULSE, unofficial