Aero Precision M4E1 5.56 NATO AR-15, 16 in, Custom Build with Yankee Hill Machine Upper, Trybe Gold BCG, Radian Raptor, Rise Armament Trigger, 4x 10-rd Mags
This custom Aero Precision M4E1 stands out with a seller-stated Yankee Hill Machine barrel/upper, a Rise Armament OPHOD AR-15 Enhanced Rifle trigger, and a high-polished gold Trybe Defense 5.56 complete BCG. It features an extended free-float M-LOK handguard, a Radian Raptor ambidextrous charging handle in red, and a Phase 5 EBR V3 extended bolt release. The bore is excellent with a mirror finish, and the rifle includes four compliance-limited 10-round magazines that the seller states were pinned from 30-round bodies.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minor wear marks and small scuffs on exterior surfaces.
What’s Included
- Aero Precision M4E1 5.56 NATO semi-automatic rifle (as configured)
- 4x 10-round AR-15 magazines; seller states they are pinned from 30-round magazines and permanently compliance-limited (at least one is a Magpul PMAG)
- Radian Raptor ambidextrous charging handle, red (installed)
- Trybe Defense AR-15 5.56 complete bolt carrier group, high-polished gold (installed)
- Phase 5 Weapon Systems EBR V3 extended bolt release (installed)
- Rise Armament OPHOD AR-15 Enhanced Rifle trigger, flat shoe, black (installed)
- Ambidextrous safety selector (installed)
- Free-float extended-length M-LOK aluminum handguard (installed)
- Multi-port muzzle brake/compensator (installed)
- Magpul pistol grip (installed)
- Collapsible carbine stock (installed)
- Angled polymer foregrip (installed)
Built on Aero Precision’s M4E1 architecture, this rifle includes an integrated enlarged trigger guard and a flared magwell. The upper receiver has a forward assist and an ejection-port dust cover. A full-length Picatinny rail runs across the receivers, and the extended free-float M-LOK handguard adds a short top rail section near the muzzle. No sights or optic are installed.
The seller states the barrel/upper is from Yankee Hill Machine. The 16-inch threaded barrel is paired with a multi-port brake/compensator for fast follow-up capability and secure device mounting. The direct impingement system is chambered in 5.56 NATO.
Controls and internals are notably upgraded. It features a high-polished gold Trybe Defense 5.56 complete bolt carrier group, a Radian Raptor ambidextrous charging handle in red, and a Phase 5 Weapon Systems EBR V3 extended bolt release. An ambidextrous safety selector is installed for bilateral control.
The fire control group is an aftermarket flat-shoe unit; the seller states it is a Rise Armament OPHOD AR-15 Enhanced Rifle trigger. Ergonomics include a Magpul pistol grip, a collapsible carbine stock, and an angled polymer foregrip. Four AR-15 pattern magazines are included; the seller states the 30-round bodies have been permanently pinned to 10 rounds for compliance.