HARTS 7.5″ / 8″ AR-15 Complete Upper Receiver | 5.56 & .300 BLK
Price range: $295.00 through $455.00
Build a compact AR-15 with a HARTS complete upper offered in a 7.5-inch 5.56 NATO configuration or an 8-inch .300 BLK configuration. Choose from six colors, five muzzle devices, and BCG options to match your setup.
- 5.56 NATO / .223 or .300 BLK
- Free-float M-LOK handguard
- Black, blue, bronze, purple, red, or silver
- Available with or without a BCG
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HARTS 7.5" / 8" AR-15 Complete Upper Receiver
Create a compact AR-15 around the caliber and finish you prefer. This HARTS Complete Upper Receiver pairs a precision-machined upper with a free-float M-LOK handguard and a configurable muzzle device. Select a 7.5-inch 5.56 NATO / .223 configuration or an 8-inch .300 BLK configuration.
Six color choices and five muzzle-device options make it easy to coordinate the upper with the rest of your build. Select a BCG option at checkout to receive the configuration that fits your needs.
Choose Your Configuration
- Barrel and caliber: 7.5-inch 5.56 NATO / .223 or 8-inch .300 BLK
- Colors: Black, blue, bronze, purple, red, and silver
- Muzzle devices: Black A2 bird cage, stainless A2 bird cage, HARTS-FSFH, PHASE1 black, or PHASE1 FDE
- BCG: Available with or without a bolt carrier group
Key Features
- Complete assembled AR-15 upper receiver
- Free-float M-LOK handguard with room for compatible accessories
- Compact profile for a lightweight, maneuverable build
- Multiple finish and muzzle-device combinations
What Is Included
Your selected configuration includes the assembled upper receiver, installed handguard, and selected muzzle device. A BCG is included only when the “With” option is selected.
Compatibility
Designed for standard mil-spec AR-15 lower receivers. Confirm the selected caliber, ammunition, BCG, muzzle device, and lower-receiver compatibility before assembly or use.
Additional information
| Color | Black, Blue, Bronze, Purple, Red, Silver |
|---|---|
| Firearm | AR-15 |
| Muzzle Device | A2 Bird Cage Black (MZ1001), A2 Bird Cage Stainless (1001SS), AR Fake Can / Flash Hider (MZ-FSFH), Phase-1 Two Piece Muzzle Device Black (Phase-1LA), Phase-1 Two Piece Muzzle Device FDE (Phase-1FLA) |
| BCG | With, Without |
| Caliber | 5.56 NATO, .300 BLK |
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