I have a Bushmaster A2 upper receiver for sale. It came off my M4 upper when I replaced it with flat top. No bolt or charging handle. Has scatches on brass deflector and scratches on side of forward assist.
This description was taken from Bushmaster website:
Complete and Assembled with the A2 sight, ejection port cover and forward assist assemblies. Bushmaster receivers, forged of 7075T6 aircraft quality aluminum, are machined to military specifications and hard anodize finished to a dark gray non-reflective finish. They include the latest integral brass deflector and are dry film lube coated for long wear and ease of operation.
Price is $110.00 plus $5.50 USPS Priority Mail or UPS ground