The A4 Upper Receiver is precisely machined from a 7075 Aluminum Forging and is Type III Hard Coat Anodized. The A4 uppers have feed ramps cut in them for more reliable feeding.
This upper comes complete with forward assist, ejection port cover Indexing Marks and M4 Feed Ramps.
Materials & Construction
Precision CNC machined from a block of 7075 Aluminum and finished in Hard Coat Type III Mil-Spec Anodized Black for a rock hard lasting finish.
- 7075 Grade Aluminum
- Military-Specification Hard Coat Anodizing
- Weighs only 7 ozs!
- Made in the USA!
All Daniel Defense upper receiver carries a 100% satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense upper receiver shows evidence of such defects, Daniel Defense will make every accommodation to fix, repair, or replace your part in the most expeditious and inexpensive manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer’s products. Be sure to retain your sales slip as proof of purchase date when making a claim.
|Manufacturing # / SKU||04-013-09003-1|
|Product Weight||7.0 oz|