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Anyone who has tried to hang a suppressor on a 5.45 or 5.56 AK knows the struggle. The 24×1.5mm muzzle threads on these rifles rule out most American muzzle devices, and the cheap adapters floating around tend to wobble on the front sight base like a loose doorknob. Griffin Armament built this adapter to fix that. It converts your 24mm threads to the common 1/2×28 pitch, opening the door to a huge range of suppressors, mounts, brakes, and compensators.
The big difference is how it seats. Instead of relying on the front sight base or a spring-loaded detent, this adapter uses a raised shoulder that indexes directly off the muzzle face of the barrel. On a rifle with a clean muzzle face cut square to the bore, that translates to noticeably better alignment potential, which matters a lot when there is a can hanging off the end. Griffin studied dimensions from AKs built across several Eastern European countries and machined these from 17-4 stainless billet, then treated them with a Melonite QPQ finish that shrugs off heat, carbon, and weather.
Installation is straightforward thanks to the 27mm wrench flats, and Griffin recommends torquing it to 50 ft-lbs. The adapter is also step cut for shims, so you can properly time a brake or comp that needs to clock in a specific orientation. Shims are not included, but standard ones work fine. As with any AK suppressor setup, it is smart to have a gunsmith verify installation and run an alignment check before your first suppressed range trip.
One thing to double check before ordering: this 1/2×28 version is meant for 5.45 and 5.56 AK variants with 24×1.5mm muzzle threads. If you are running a 7.62×39 gun, Griffin makes a 5/8×24 version of the same adapter that suits those calibers better. Know your thread pitch and bore, and this little piece of steel will quietly do its job for years.
This version converts to 1/2×28, which is intended for 5.45 and 5.56 AK variants with 24×1.5mm muzzle threads. For 7.62×39 rifles, Griffin makes a 5/8×24 version of this same adapter that suits the larger bore. Verify your rifle's muzzle thread pitch before ordering, since not every AK uses 24×1.5mm threads.
Most budget adapters index off the front sight base or use a detent, which leaves them loose and prone to misalignment. This one has a raised shoulder that seats directly against the muzzle face of the barrel, giving much better alignment potential when the muzzle is cut square to the bore. It is also machined from 17-4 stainless billet with a Melonite QPQ finish rather than soft mystery metal.
Yes. The adapter is step cut to accept standard shims, so you can clock a brake or compensator to the correct orientation. Shims are not included in the package, but common 1/2×28 shim kits work. Torque the adapter itself to the recommended 50 ft-lbs first, then time your device.
The 27mm wrench flats make installation simple enough for most home builders, and Griffin recommends 50 ft-lbs of torque. That said, Griffin advises having a qualified gunsmith handle installation and run an alignment check before shooting suppressed. A quick check with an alignment rod is cheap insurance against a baffle strike, especially on AKs where barrel concentricity can vary.
| UPC | 791154082249 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 24MM1228A |
| Model |
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