Durable, robust 90° design prepared for strongest upgrades
ALL Stainless steel construction
DROP-IN instalation
Optimized trigger pull ( around 0,5 lb )
Fits TM M40a5 and copies
Heat treated ( hardened ) piston catch
Polished contact points to ensure smooth trigger pull
The spring guide stopper is stabilized against side movement by washers
New springs/system for piston catch sear returning
 
90° piston for this rifle is not manufactured yet. 45° piston need to be modified to 90°
 
Package includes :
 
S-trigger TM M40a5
Two screws for mounting to the receiver