SureFire SF-OBC-556 Optimized Bolt Carrier Group All-Weather Pen 2 - SPR1001 Dark SPR

2 - SPR1001 Dark SPR

Made to fit the Streamlight Stinger 2020

000 candela peak beam intensity and 180 lumens for maximum visibility

seals and certificates to establish chain-of-possession

small tools

SureFire SF-OBC-556 Optimized Bolt Carrier Group All-Weather Pen 2 - SPR1001 Dark SPRSureFire SF OBC 556 Optimized Bolt Carrier Group Double Down on Reliability. Invented by Jim Sullivan, one of the original designers of the M16, the SureFire Optimized Bolt Carrier (OBC) doubles the reliability of any M4 M16 AR variant weapon system during suppressed and suppressed firing. Its patented design allows more time for reliable feeding of ammunition from the magazine and nearly eliminates bolt over base malfunctions. The OBC also delays