Omni Hybrid Maxx 300 AAC Blackout AR-15 Pistol with 8.5
Specs at a glance
About this product
Kansas Gunshop is a Wichita, KS-based retailer specializing in AR-15 pistols. The Omni Hybrid Maxx 300 AAC Blackout AR-15 Pistol with 8.5-inch barrel delivers compact firepower in a lightweight polymer/metal hybrid platform. Built for maneuverability without sacrificing .300 BLK performance. In stock at $899 with same-day shipping from our Kansas facility.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | AR-15 Pistol |
|---|---|
| Caliber | 300 AAC Blackout |
| Barrel Length | 8.5 inches |
| Overall Length | 24.5 inches (collapsed) |
| Weight | 5.2 lbs |
| Frame Material | Polymer/metal hybrid |
| Muzzle Device | A2 flash hider |
| Handguard | M-LOK compatible |
| Stock | SB Tactical brace |
| Country of Origin | USA (assembled) |
| Condition | New in box |
| SKU | OMNI-HYBRID-300BLK |
Key Features
- Optimized for 300 BLK subsonic/supersonic loads
- Hybrid polymer/metal construction reduces weight
- 8.5" barrel maintains ballistic efficiency
- Includes SB Tactical stabilizing brace
- M-LOK handguard for accessory mounting
Pros & Cons
Pros:
- ✅ Lightweight yet durable hybrid construction
- ✅ Proper gas system length for 300 BLK
- ✅ Comes ready for suppressor use
- ✅ Includes quality SB Tactical brace
- ✅ More affordable than billet aluminum options
Cons:
- ❌ Polymer receiver limits some aftermarket parts
- ❌ Not recommended for full-auto conversions
- ❌ Muzzle device not suppressor-ready (see our muzzle devices for alternatives)
Who Should Buy This
Buy it if:
- You want a lightweight 300 BLK pistol for home defense
- You plan to run suppressed (subsonic loads)
- You value maneuverability in tight spaces
- You're building a budget-friendly truck/ranch gun
Skip it if:
- You need full billet aluminum construction (see our premium AR-15 pistols)
- You plan heavy full-auto use
- You prefer longer barrel ballistics
Frequently Asked Questions
Where can I buy the Omni Hybrid Maxx 300 AAC Blackout AR-15 Pistol online?
Available at Kansas Gunshop (kansas-gunshop.com) with same-day shipping from Wichita, KS.
Does this come with sights?
No, this ships with flip-up MBUS-style polymer sights as pictured.
Is the SB Tactical brace adjustable?
Yes, it features multiple position adjustment via standard buffer tube.
What's the twist rate?
1:7 twist rate stabilizes both subsonic and supersonic 300 BLK loads.
Can I replace the polymer lower?
Yes, but requires complete disassembly - we recommend our gunsmithing services for this job.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: AR-15 Rifles | Full Shop
As a Kansas-licensed FFL dealer since 2008, I stand behind this product for its intended use as a compact 300 BLK platform. Not all polymer hybrids are created equal - this one gets the gas system right. Test fired before shipping.
Last updated: April 2026