Small Arms Solutions video on lineage of modern piston ARs/Caracal 816

[Greg Bell]

The only time I've found hard-chrome lining to come into play was shooting surplus 5.45x39 and literally not maintaining the AR. Just had to handle it like an Ak and add oil every time I grabbed it until the extractor broke around 10k rounds (I bought a pallet of it).

You'll probably be fine if you don't have a giggle switch.

True, but it isn't like I actually need this upper either.

[LittleLebowski]

True, but it isn't like I actually need this upper either.

Oh, you need this upper. It’s the piston upper that isn’t heavy, isn’t bulky, and recoils like DI. @Sensei needs it too 🤣