Complete Bolt Carrier Group with HP/MPI tested Carpenter 158 NP3 coated Bolt and NP3 coated Cam Pin
SIONICS Bolt Carrier Assembly - NP3 Coated
Our bolt assemblies are manufactured from Carpenter 158® Steel. Each bolt is shot peened and comes with a heavy extractor spring, black spring insert and Mil-Spec O-Ring. Every bolt is 100% High Pressure tested and Magnetic Particle inspected. The bolt is NP3 Coated.
SIONICS Cam Pin - NP3 Coated
All hardware needed to mount a collapsible stock on an AR-15 lower receiver The SIONICS kit includes: SIONICS 6-Position MIL-Spec receiver extension (Dry Film Lubricated) H-Buffer Carbine Action Spring Castle Nut Receiver End Plate
SIONICS 6-position Mil-Spec Carbine Receiver Extention
Carbine Action Spring
H Carbine Buffer
SIONICS Enhanced Mil-Spec Trigger
SIONICS Lower Parts Kit with Enhanced Mil-Spec Trigger.
AR-15 Barrel Nut
Delta Ring Assembly Includes: Barrel Nut Delta Ring Spring Weld Snap Ring