Expand your rifle’s suppressor and muzzle device options with the Griffin Armament Suppressor Thread Adapter 5/8"x24 – Black, TA1515824 5/8X24 (UPC: 791154082270). Precision-machined and purpose-built, this adapter converts common surplus AK and HK barrel threads to the industry-standard 5/8x24 pattern so you can run modern .30 cal suppressors, brakes, and other threaded accessories without rethreading your barrel. Griffin Armament+1
Convert AK & HK Threads to Common 5/8x24
Many surplus rifles ship with legacy or metric muzzle threads that make adding modern accessories a headache. This Griffin Armament suppressor thread adapter solves that problem cleanly: Griffin Armament+2Pelcher Outdoors+2
Input threads:
14x1mm LH (AK-47 style)
15x1mm RH (HK style)
Output threads:
By converting to 5/8x24, you instantly open your rifle up to a huge ecosystem of direct-thread suppressors, flash hiders, comps, and QD mounts.
Precision-Machined for Suppressor Use
Suppressor alignment is critical. Griffin designed this adapter specifically for suppressor use on surplus rifles, where factory threads often index off the muzzle face rather than a shoulder. Griffin Armament+2Bauer Precision+2
Key design details include:
Muzzle face index – interfaces with the barrel’s muzzle face for proper perpendicular alignment, helping ensure a straight, concentric path to your suppressor. Griffin Armament+1
Converts to a conventional shoulder – once installed, the adapter provides standard 5/8x24 threads with a shoulder, allowing common accessories to be mounted and properly timed using shims if needed. Griffin Armament+1
3/4" wrench flats – make it easy to apply proper torque and firmly seat the adapter without marring your barrel. Griffin Armament+1
Because surplus AK/HK threads require a muzzle face index for perpendicularity, Griffin clearly notes that the bare barrel threads are often incompatible with timed muzzle devices on their own—this adapter is the bridge that fixes that. Griffin Armament+2Pelcher Outdoors+2
Durable Black Finish & High-Quality Construction
As with other Griffin Armament accessories, the TA1515824 5/8X24 thread adapter is built to withstand real-world hard use:
This robust build helps maintain concentricity and withstands repeated removal/reinstallation, high round counts, and suppressor use.
Ideal Use Cases
The Griffin Armament Suppressor Thread Adapter 5/8"x24 TA1515824 is perfect for shooters who want to modernize legacy platforms without gunsmithing:
AK-47 / AK variants with 14x1 LH muzzle threads
HK-pattern rifles (like some G3/91, PTR, or HK33 clones) with 15x1 RH threads
Owners wanting to use:
5/8x24 direct-thread suppressors
.30 cal flash hiders, brakes, and comps
QD mounts that require standard 5/8x24 threads
Instead of cutting and rethreading the barrel, you simply install this adapter to gain modern thread compatibility.
Always double-check bore alignment before firing any suppressed setup. A quick visual bore check with the adapter and suppressor mounted is an important safety step. Griffin Armament+1
Quick Specs – Griffin Armament TA1515824 5/8x24 Adapter
From Griffin and leading retailers: OpticsPlanet+2Vital Defense+2
Product Name: Griffin Armament Suppressor Thread Adapter 5/8"x24
Manufacturer Part Number (MPN): TA1515824 5/8X24
UPC: 791154082270
Thread Input: 14x1mm LH (AK) or 15x1mm RH (HK) – model-specific
Thread Output: 5/8x24
Color: Black
Type: Suppressor / barrel thread adapter
Features:
Muzzle face index for proper perpendicularity
Converts legacy AK/HK threads to conventional 5/8x24 with shoulder
3/4" wrench flats for proper torque
Why Choose the Griffin Armament 5/8x24 Suppressor Thread Adapter?
Eliminates the need for rethreading surplus AK or HK barrels
Opens your rifle up to modern 5/8x24 suppressors and muzzle devices
Precision-made by Griffin Armament, a trusted name in suppressor accessories
Designed specifically to address alignment and perpendicularity issues common with surplus rifle threads
Backed by Griffin’s Perpetual Lifetime Warranty™ so you can buy with confidence Griffin Armament
If you’re ready to run a suppressor or modern muzzle device on your AK or HK-pattern rifle without a trip to the lathe, the Griffin Armament Suppressor Thread Adapter 5/8"x24 – TA1515824 5/8X24 (UPC 791154082270) is the clean, professional solution.
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