This BCG weighs 110g, and is a mostly Model Works Company built bolt. This is their V2 and it comes with the roller bolt end and all stainless hardware and bolt roller on the bottom. Also has a Guns Modify V3 nozzle set and nozzle reset, Dynamic Precision green sealing buffer and valve blocker.

If you want any more information drop me a message, the price includes shipping and paypal fees. I am open to offers so let me know