KNS AK THRD ADP 14X1L TO 5/8X24R
$34.38
$40.00
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$5.62
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The KNS AK thread adapter is a precision muzzle device solution for AK-platform rifles that need to accept standard suppressors and muzzle devices. This adapter converts the metric 14x1 left-hand thread on your AK barrel to the common 5/8x24 right-hand thread pattern, opening up compatibility with a huge range of modern sound suppressors, flash hiders, and brakes. If you run an AK in 7.62x39 and want to suppress it or add a muzzle device without custom gunsmithing, this is your straightforward answer.
Unlike older AK adapter designs that indexed off the rear sight base, the KNS design seats directly on the barrel muzzle itself. This matters: it gives you the best possible angular alignment for your suppressor or muzzle device, which means more reliable function and better accuracy downrange. Before installation, clean any carbon, copper, or other buildup from the muzzle crown to ensure flush, surface-to-surface contact between the adapter and barrel.
Installation is simple and requires only a 17mm wrench. Once threaded on, you're no longer confined to hard-to-find AK-specific muzzle devices—you can choose from thousands of suppressors, flash hiders, and brakes in the standard 5/8x24 format. Whether you're setting up a precision 7.62x39 rifle for suppressed hunting or just want to tame muzzle rise on a tactical build, this adapter gets the job done cleanly.
Key Features
- Converts AK 14x1 LH muzzle thread to standard 5/8x24 RH thread
- Indexes directly on barrel muzzle for optimal suppressor alignment
- Enables use of any standard suppressors and muzzle devices
- Simple installation with 17mm wrench
- Precision-engineered for reliable, repeatable performance
Specifications
| Thread Pattern (Input) | M14x1.0 LH (left-hand) |
| Thread Pattern (Output) | 5/8x24 RH (right-hand) |
| Compatibility | Metric 7.62x39 AK barrels |
| Installation Tool | 17mm wrench |
Frequently Asked Questions
Will this work with any AK rifle in 7.62x39?
This adapter is designed for AK barrels with metric 14x1 left-hand thread. Most 7.62x39 AKs use this standard, but verify your barrel's thread pitch and direction before purchasing.
Can I use any 5/8x24 suppressor or muzzle device once this is installed?
Yes. Once the adapter is installed, any standard 5/8x24 right-hand threaded suppressor, flash hider, brake, or muzzle device will fit. This opens access to the full market of common suppressors and devices.
What's the best way to install this adapter?
Clean any buildup (carbon, fouling) from the muzzle crown first to ensure clean contact between the adapter and barrel. Install using a 17mm wrench and hand-tight the connection. Make sure the adapter seats flush against the muzzle.
Does this affect accuracy or point of impact?
Proper installation—with clean muzzle-to-adapter contact and correct indexing—preserves accuracy. The direct barrel indexing (rather than sight-base indexing) ensures repeatable, angular alignment for your suppressor or muzzle device.
