Zenitco DTK-1 Versions: M24x1.5 vs 1/2-28
Quick answer
Choose by the confirmed interface. Standard DTK-1 uses M24×1.5 right-hand for supported 5.45 and 7.62 configurations. DTK-1/AR-15 uses 1/2-28 for manufacturer-documented AR-15-based and Norinco CQ-A configurations. They are not interchangeable.
DTK-1 version comparison
| Checkpoint | DTK-1 | DTK-1/AR-15 |
|---|---|---|
| Interface | M24×1.5 right-hand | 1/2-28 |
| Documented applications | Supported 5.45 and 7.62 configurations | AR-15 based; Norinco CQ-A 5.56 |
| Material | 20X13 steel | 20X13 steel |
| Weight | 128 ± 5 g | 146 ± 5 g |
| Dimensions | 32 × 85 mm (±3 mm) | 31 × 80 mm (±3 mm) |
| Delivery set | DTK-1 and manual | DTK-1/AR-15, two shim washers and manual |
Selection checklist
- Identify the exact platform configuration.
- Confirm the thread specification directly: M24×1.5 right-hand or 1/2-28.
- Match the confirmed interface to the comparison table.
- Do not choose by the DTK-1 family name or appearance alone.
- If an adapter is present, verify the adapter output interface before ordering.
The interface is the deciding factor. If it cannot be confirmed, pause the selection and check the platform documentation.
What the DTK-1 design does
Both versions use a ported 20X13 steel body to redirect gas and reduce felt recoil and upward movement. The result is a more stable platform during repeated use. Both also use the manufacturer-documented toothed front crown. The functional principle is similar, but the interfaces, dimensions, weight and delivery sets differ.
For other interfaces and configurations, browse the muzzle devices category rather than adapting an incompatible DTK-1 version.
Frequently asked questions
Is DTK-1/AR-15 simply the same component with a different thread?
No. The 1/2-28 version also differs in weight, dimensions and delivery set.
Which version includes shim washers?
DTK-1/AR-15 includes two shim washers. The standard M24×1.5 DTK-1 delivery set does not list them.
Can the two versions be interchanged?
No. Select the version that matches the confirmed interface.
Where can I check current availability?
Open the M24×1.5 DTK-1 or 1/2-28 DTK-1/AR-15 product page for live stock status and options.
