468A1 One Piece Upper Receiver (Spyder Threaded)
This upper receiver for the 468 integrates the Lok-Bolt unit into the receiver itself - ensuring the bore is continuous the entire length. Perfect for the Javelin bolt!
Comes with a top rail and DMAG feed adapter. Install with your existing charging handle and hardware, and use the barrel and handguard currently on your 468.
This is an upgrade kit for 468 - all you need is your existing parts and your tools.