Aero Precision M4E1 .300 AAC Blackout SBR, 8-inch Barrel, HERA CQR Furniture, Radian Raptor-SD, Matte Black
This custom-configured Aero Precision M4E1 SBR is chambered in .300 AAC Blackout and built around an 8-inch barrel with a multi-ported brake/compensator. It features HERA Arms CQR furniture, a HERA IRS aluminum handguard with extensive rail coverage, and a Radian Raptor-SD ambidextrous charging handle. The rifle includes five caliber-marked Lancer L5-AWM 30-round magazines, adding practical value for the .300 Blackout setup.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling Condition: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor scratches and small blemishes are present on exterior surfaces. The bore is clean and shiny.
What’s Included
- Aero Precision M4E1 .300 AAC Blackout SBR with 8-inch barrel
- HERA Arms CQR fixed stock (installed)
- HERA Arms CQR front grip (installed)
- HERA Arms IRS Rail System handguard (installed)
- Radian Raptor-SD ambidextrous charging handle (installed)
- Ported muzzle brake/compensator (installed)
- Five (5) Lancer L5-AWM .300 Blackout-marked 30-round polymer magazines
The M4E1 receiver set provides a solid foundation, with the lower featuring an integrated trigger guard and the upper including an ejection port cover. The rifle is semi-automatic with a direct impingement system, configured for .300 AAC Blackout with an 8-inch barrel and a multi-ported muzzle brake/compensator on a threaded muzzle.
HERA Arms CQR furniture defines the rifle’s ergonomics. The fixed CQR stock offers a 13.0-inch length of pull with sling slots; no QD sockets are installed. The matching CQR front grip is installed to complement the control-focused setup in a compact SBR format.
The HERA IRS aluminum handguard delivers a full-length top Picatinny rail and short rail segments at the 3, 6, and 9 o’clock positions, enabling straightforward mounting of rail-compatible accessories. Its clean, angular profile pairs with the rifle’s matte black anodized receivers.
Controls are enhanced by the Radian Raptor-SD ambidextrous charging handle for intuitive manipulation from either side. Receiver markings include the Aero Precision “A” logo on the magwell, Aero Precision LLC, Tacoma, WA, additional Shiu, Waco, TX markings, MOD M4E1, and CAL MULTI, reflecting a purpose-built, custom configuration.
This package includes five Lancer L5-AWM polymer magazines specifically marked for .300 Blackout. Combined with the 30+1 capacity, the included mags align with the caliber-specific nature of the platform.