Complete Bolt Carrier Group - HP/MPI Tested - Carpenter 158 NP3 Coated Bolt and NP3 coated Cam Pin - *Extractor not NP3 Coated
SIONICS Bolt Carrier Assembly - NP3 Coated
Bolt Assembly - HP/MPI Tested - Carpenter 158 NP3 Coated Bolt - *Extractor not NP3 Coated
SIONICS Cam Pin - NP3 Coated
All Hardware needed to mount a Collapsable Stock on an AR-15 Lower Receiver. The SIONICS Kit includes: SIONICS 6-Position MIL-Spec Receiver Extension - Dry Film Lubricated, H-Buffer, Sprinco Action Spring - Blue, Castle Nut and Receiver End Plate
SIONICS 6-Position Mil-Spec Carbine Receiver Extention for your AR15, M16 and M4. Machined from 7075-T6 and manufactured to Mil-Spec dimensions and specifications.
“BLUE Spring” The Enhanced Power Buffer Spring offers improved performance with most non-suppressed 12.5"-14.5" SBR's, 16" DI Mid-Length BBLS and all Mid-Length Uppers with Adjustable Gas Blocks. Best performance is usually achieved using buffers ranging from H and H2 Buffers.
H (Heavy) Buffer for your Carbine, AR15 and M4
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