Allen Engineering AEM5 6mm Suppressor – OPS Grey
Built to honor a legacy and engineered for precision, the Allen Engineering AEM5 suppressor is now available in 6mm, delivering the same trusted performance with expanded caliber compatibility. Originally developed for the MK12 SPR program, the AEM5 remains the gold standard for repeatable accuracy and rugged reliability. Its over-the-barrel design and proven collar alignment system ensure consistent point-of-impact shift, even after removal and reattachment—making it a favorite among MIL/LE marksmen and precision shooters.
Now bored for 6mm, this suppressor opens the door for high-velocity cartridges like 6mm ARC and 6mm Creedmoor, giving long-range shooters a quieter edge without compromising on the legendary AEM5 balance and durability. Whether you’re chasing sub-MOA groups or pushing your rifle to its ballistic limits, the AEM5 delivers unmatched suppression, stability, and heritage—all in one sleek package.
6mm Caliber Compatibility Optimized for modern precision cartridges like 6mm ARC and 6mm Creedmoor.
Legacy OPS INC Design Carries forward the proven MK12 SPR suppressor architecture for trusted performance.
Over-the-Barrel Alignment System Collar-based mounting ensures repeatable accuracy and secure fit under field conditions.
Minimal Added Length Adds only 4.5″ past the muzzle device, preserving rifle balance and handling.
Threaded A-Mount Interface Locks securely with a 20° taper for gas sealing and vibration resistance.
Trajectory Arms Manufacturing Built under license with exacting standards to preserve Allen Engineering’s legacy.
Durable Construction Designed to withstand harsh environments and high round counts without degradation.
Specifications:
- Caliber: 6mm
- Overall Length: 8.8″
- Length Added (from muzzle device): 4.5″
- Diameter: 1.5″
- Weight: 21 oz
- Finish: OPS Grey
- Mount Style: A-Mount (mount not included)
- Thread Interface: External threads with 20° taper lock
- Minimum Barrel Clearance: 2.5″ from barrel end to taper collar
- Recommended Barrel Lengths: 12.5″ Carbine gas or 14.5″ Mid gas minimum
- Recommended Alignment Check: Use alignment rod before firing




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