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What is up with the "pistols" such as the P516, P716, PM400, P556xi? It seems that they shoot rifle ammo (5.56 or 7.62) and in profile look like AR style SBRs but in the description I see that what appears to be a shoulder stock is actually a forearms brace. Seems a little inconvenient to me to...
I'm converting my 7.5" P516 to a SBR (I'll file the form 1)
How do I remove the buffer tube? The tube doesn't have the normal notches that an armorer's wrench will fit into. What tools do I need? How do I do it?
Sorry if this has been discussed before. This is my first post.
I've decided to convert my P516 into an SBR. (don't worry. I'll complete the Form 1) After adding a stock, I'd like to add a Sig silencer, when they finally ship.
I guess the issue that I'm having is finding a new quad rail...