Bundle & Save with the Apex Armament Upper Build Kit!
This kit includes some of the best quality mil-spec parts on the market to get your next build started.
Kit includes:
Aero Precision Assembled Upper Receiver
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist
AO Precision M16 BCG
Mil Spec Bolt
- 158 Carpenter Steel
- Shot Peened
- High Pressure Tested (HPT)
- Magnetic Particle Inspected (MPI)
Mil Spec Carrier
- 8620 Aircraft Grade Steel
- Full Mass M-16
Mil Spec Extractor
- 4140 Steel per ASTM A108, cold drawn and stress relieved BHN 187-22
- Phosphate Finish
- Extractor Spring
- Black Extractor Insert
- Viton O-Ring
Mil Spec Gas Key
- 158 Carpenter Steel
- 4130 Profile Extruded Steel
- Grade 8 Hardware
- Properly Staked
- Chrome Interior
Mil-spec Charging Handle
- Forged from 6061-T6 material
- Machined to military specifications
- Type 3 Hard Coat Anodized
- Made in USA
