Kräver licens.
Daniel Defense A4 Upper Receiver Assembly is ready for your custom build. Precision machined in our state-of-the-art manufacturing facility and backed by our Satisfaction Guarantee.
7075-T6 Aluminum
Mil-spec Type III Hardcoat Anodized
M4 Feed Ramps
T-Marks
Polymer Ejection Port Cover
Forward Assist
DD Logo Laser Engraved on Left Side
Made in the USA!