KST Forged M4 Flat-Top Upper Receiver
Our forged upper receivers are M4A4 Military-Contract upper receivers. They are the finest forged upper receivers on the market. Not sure about installing the forward assist and dust cover? Let us help! Purchase a receiver, forward assist and dust cover, and we’ll assemble it for you at no extra cost. We are also happy to help assemble your entire upper receiver with the purchase of all assembled parts. Simply let us know that you’d like a certified AR-15 armorer to assemble your new upper receiver.
Machined From 7075-T6 Aluminum Forgings
Type III CL2 Hard-Coat Anodized
M4 Feed Ramps
Made in the USA