I’m cleaning out years of accumulated parts, projects, etc.
I accept USPS or Western Union MO, or Western Union money transfer, like $5 at Walmart.  
No electronic payments.  
If you want something, send offer, then IM for info.
Do not post “I’ll take it”, then NOT send an IM or wait 5 days to send an IM. Send offer, IM me for info.
All items will ship USPS fully insured for sale price, anything over $200 will be shipped with Signature Confirmation. That theoretically protects buyer and shipper from item being misdelivered.

I would be interested in trades for smooth side M-16 type uppers, A-1 type upper receivers, pencil barrels, 16 or 20, with FSB installed, chrome BCGs or other retro items.
Nice factory Armalite AR-18 20 round mag. Not a conversion, original for the rifle.
The finish may or may not be original, I know one of them, Sterling, painted them, but it's an Armalite floor plate, so may be a compilation of Sterling mag body with Armalite floor plate, or maybe a refinished Armalite.$100 shipped.