SRS Open Piston Sear 113mm Works With AAC SMG Handguard

Works With AAC SMG Handguard + Buttstock

assembly is possible in a few minutes

and MTW-9 with parts numbers and descriptions

Any additional spacer needs to be ordered separately

Full replacement set of o-rings for Redline N7

SRS Open Piston Sear 113mm Works With AAC SMG HandguardSRS Open Piston Sear Inspired by an original idea of Bruce Palcko, SRS user. This peculiar design allows the piston end to lock effortlessly on the sear, making the bolt operation even smoother. On the other hand, you will have to manually maintain the spring guide in position when reinstalling the buttplate. CNC Stainless Steel. Important : Please adjust the hight of the sear when installing this to make sure it is high enough to catch on the piston