- ANCHOR HARVEY Upper Receiver
- 5.56 NATO BARREL 16.5″
- XTS Charging Handle
- XTS Forward Assist
- XTS Ejection Port Cover
- 15″ M-LOK RAIL
- Black Gas Block
- Gas Tube
- Bird Cage Muzzle Brake
Direct Link: https://3crtactical.com/product/xts-16-5-5-56-nato-ar-15-upper-receiver-15-m-lok-rail-w-o-bcg/