Colt LE6933 M4 EPR II Enhanced Patrol Short Barrel 5.56 NATO 11.5" Rifle – Standard & Pro
Colt- SKU:
- LE6933-EPRII
- UPC:
- 098289116338
- Caliber:
- 5.56x45 NATO
- Barrel Twist Rate:
- 1:7"
- Capacity:
- 30 Rounds
- MadeInUSA:
- Yes
- Color:
- Black
- Threaded:
- Yes, 1/2x28
- Barrel Length:
- 11.5"
$1,099.00
37% off
(You save
$650.00
)
Colt LE6933 M4 EPR II Enhanced Patrol Short Barrel 5.56 NATO 11.5" Rifle – Standard & Pro
FREE SHIPPING
The next evolution of Colt's established carbine platform, the EPR II blends proven TDP components with certified MIL-SPEC materials, coatings, finishes, and proprietary processes — ensuring every EPR II is built to professional standards for reliable performance across a wide range of conditions.
The Colt free-float rail features Magpul M-LOK slots, a full-length MIL-STD-1913 Picatinny top rail, and seven M-LOK mounting orientations for maximum attachment flexibility. Anti-rotation tabs and two integrated steel QD sling swivel sockets complete this rigid, lightweight system. Suppressor-ready and available in multiple barrel lengths, the EPR II is a configurable, high-performance platform built for demanding operational environments.
Key Features (Both Models)
- Colt Chrome-Lined Barrel — Rigid material, process, and QC standards backed by decades of experience, delivering accurate and reliable performance under high heat, heavy use, and extreme conditions.
- Colt Bolt Carrier Group — Built to meet and exceed MIL-SPEC standards. Proprietary bolt heat-treat process delivers enhanced wear resistance and extended service life.
- MIL-SPEC Finishes — Certified MIL-SPEC finishes provide consistent corrosion and wear resistance across all components for long-term durability in demanding environments.
- Individual HP & MPI Inspection — Every bolt, barrel, and barrel extension undergoes High Pressure Testing and Magnetic Particle Inspection to ensure safety and reliability under real-world conditions.
Quick-Reference Specs (Both Models)
| Caliber | 5.56x45mm NATO / .223 Remington |
| Barrel Twist Rate | 1:7 RH (Right Hand), 6 Groove |
| Capacity | 30 Rounds |
| Made in USA | Yes — Colt's Manufacturing, West Hartford, CT |
| Receiver Material | MIL-SPEC Forged 7075-T6 Aluminum |
| Barrel Material | CrMoV Steel (Chrome Moly Vanadium), Chrome-Lined |
| Threaded | Yes |
| Thread Pitch | 1/2x28 |
| Barrel Length | 11.5" (292.1 mm) |
Full Specifications (Both Models)
| Caliber | 5.56x45mm NATO |
| Receiver Material | MIL-SPEC Forged 7075-T6 Aluminum |
| Receiver Finish | MIL-SPEC Matte Black Type-III Hard Coat Anodize |
| Bolt Carrier Group | MIL-SPEC Chrome-Lined / Manganese Phosphate Finish, HP/MPI Tested |
| Trigger | MIL-SPEC |
| Barrel | Colt Spec CrMoV Steel, Manganese Phosphate Finish, Chrome-Lined, HP/MPI Tested |
| Barrel Length | 11.5" (292.1 mm) |
| Rifling | 1:7 RH, 6 Groove |
| Operating System | Carbine-Length Direct Impingement |
| Handguard | Colt 10.5" Free Float w/ Magpul M-LOK and Steel QD Sockets |
| Stock | Magpul MOE SL 6-Position |
| Selector | Ambidextrous |
| Magazine | Magpul PMAG 30-Round |
| Fire Mode | Semi-Auto (Safe/Semi) |
| Overall Length | 28.5" (723.9 mm) – 31.7" (805.2 mm) |
Pro vs. Standard — What's Different
| Component | EPR II Pro | EPR II Standard |
|---|---|---|
| Charging Handle | Radian Raptor™ Ambidextrous | MIL-SPEC |
| Sights | Magpul MBUS Pro® (steel, low-profile) | Magpul MBUS® 3 (polymer) |
| Grip | Magpul MOE-K2® | MIL-SPEC A2 |
| Magazine Catch | Ambidextrous | MIL-SPEC |
| Receiver End Plate | QD Sling Swivel Socket | MIL-SPEC |
| Weight | 6.1 lbs (2.8 kg) | 6.0 lbs (2.7 kg) |
| UPC | 098289116345 | 098289116338 |
EPR II Pro — Upgrade Notes
- Radian Raptor™ Charging Handle — Large, ambidextrous latches for fast, positive manipulations from either side.
- Magpul MBUS Pro® Sights — Low-profile steel flip sights that sit flush to the rail, more durable and snag-resistant than standard polymer sights.
- Magpul MOE-K2® Grip — More ergonomic grip angle with palm swell for improved control and comfort.
- Ambidextrous Magazine Catch — Completes the ambidextrous control package alongside the ambi safety selector.
- QD Receiver End Plate — Integrated quick-detach sling socket at the rear of the receiver for a clean, built-in sling attachment point.