Spike's Tactical has their 9mm Upper Receiver available for your next build! The same 9mm Upper Receiver Spike's uses in their own builds, you can pick and choose the rest of your items for a more customized build. Weighing in at 7.5oz and a black finish, the forged upper receiver also includes: 7075 T6 Construction Ejection Port Door Shell Deflector Ejection Port Door Spring Ejection Port Door Rod Mfg: Spikes Tactical