American Tactical Omni Hybrid MAXX P4 AR-15 Pistol, .300 AAC Blackout, 7.5 in Barrel, FDE, M-LOK Handguard, Threaded with A2 Flash Hider
This American Tactical Omni Hybrid MAXX P4 stands out as a compact, .300 AAC Blackout AR-pattern pistol with a reinforced Omni Hybrid polymer/metal receiver in Flat Dark Earth. It features a 7.5 in barrel with a threaded muzzle and A2-style flash hider, a free-float aluminum M-LOK handguard with a continuous, numbered Picatinny top rail, and includes Magpul MBUS flip-up sights and a polymer angled foregrip. Made in the USA, it offers a 30+1 capacity and direct impingement operation.
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: Mild scuffs and scratches are present from prior handling.
What’s Included
- 1x 30-round Magpul PMAG Gen M2 MOE magazine
- Magpul MBUS polymer flip-up sight set (installed)
- Polymer angled foregrip (installed)
The Omni Hybrid receiver set uses polymer with embedded metal inserts and reinforcement at the buffer tower, combining light weight with added rigidity. The receiver is finished in Flat Dark Earth and marked OMNI HYBRID MULTI-CAL and Made in USA, with U.S. Patents 9068786 and 8789305 noted.
Chambered in .300 AAC Blackout (7.62x35mm), this pistol uses a direct impingement gas system and a 7.5 in barrel for compact handling. The muzzle is threaded and fitted with an A2-style birdcage flash hider.
The free-float aluminum M-LOK handguard provides accessory mounting flexibility, while a flat-top upper and continuous, numbered Picatinny rail (T16–T26 across the handguard) support sight placement and alignment.
Factory-installed Magpul MBUS flip-up sights are included, along with a polymer angled foregrip. Controls include a standard magazine release and a manual safety selector. An A2-pattern black pistol grip and a pistol receiver extension with a foam cover are installed.
Capacity is 30+1 and one 30-round Magpul PMAG Gen M2 MOE magazine is included. This AR-15 pattern pistol is manufactured in the USA.