GHK M4 V2 Bolt Carrier & Magnetic Bolt Lock Kit

GHK have released their V2 Bolt Carrier & Magnetic Bolt Lock Kit which is currently found in the V2 GBBR series. GHK say the bolt carrier is more durable in combination with their magnetic bolt lock. This is a kit you can fit in their older GHK M4 versions so it can function much like their new GBBR.