Machined, not forged
I found out when these arrived that they are machinings instead of machined forgings. Ball track machining marks clearly visible in contoured areas. I had to mix and match uppers and lowers to get everything to fit together.
Product Details
CNC Machined Billet Aluminum
AR-15 Upper Receiver Assembled-Dust Door, Rod, Spring and Forward Assist
Flat-top Upper Receiver
Type 3 black hard coat anodized finish
M-4 style feed ramps
Made in the USA
Delivery available throughout the United States. Current Sales Tax applied to orders delivered toMinnesota addresses.
I found out when these arrived that they are machinings instead of machined forgings. Ball track machining marks clearly visible in contoured areas. I had to mix and match uppers and lowers to get everything to fit together.
Perfect build. Works great++++++++++++++++++++++
no defects. threads square, matches SOTA receiver.