Zenitco 171.5 mm Gas Tube for AR-15 DI Systems
- $39
In short: This Zenitco stainless-steel gas tube is the 171.5 mm (6.75 in) version for AR-15 DI systems. Select it only when the required system length is 171.5 mm.
Compatibility checkpoint
Designed for AR-15 platforms using a DI system with a 171.5 mm (6.75 in) tube. Match the required system length before ordering. For other documented lengths, compare the 248.7 mm, 298.5 mm and 384.2 mm versions.
Technical specifications
| System | AR-15 DI |
|---|---|
| Material | Stainless steel |
| Length | 171.5 mm (6.75 in) |
| Documented dimensions | (171.5 × 5) +2 mm |
| Weight | 16 +2 g |
| Manufacturer warranty | 12 months |
Delivery basis
Zenitco 171.5 mm gas tube — 1.
Selection note
Use the measured or documented system length as the deciding value. A different length is a separate product and should not be treated as interchangeable.
Frequently asked questions
Which system is this version for?
AR-15 platforms using a DI system that requires the 171.5 mm tube.
What is the exact length?
171.5 mm, listed by the manufacturer as 6.75 inches.
What material is used?
Stainless steel.
How should I choose between the four lengths?
Match the exact required system length; the 171.5, 248.7, 298.5 and 384.2 mm versions are separate products.
What's in the Box
Installation
Confirm the required interface before installation: exact documented 171.5 mm direct-impingement system length. Fit the component according to the manufacturer instructions, then verify the resulting interface or function: stainless-steel gas tube for the documented direct-impingement path.
General
Mounting & Rails
Care & Chemicals
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