Choose from 4 sizes of low profile micro gas blocks.
Option to add stainless steel gas tube.
How to order: Select Gas Block + Select Gas Tube Length (you can also choose just a gas block with no tube and vice versa).
Gas block sizes:
0.750" - common on AR-15 .223/5,56
Measure outer diameter of barrel at gas port / gas exit hole
Gas tube lengths:
Carbine 9.75" common size for AR-15
Measure distance to gas port from barrel shoulder or, if you have one, the existing gas tube.
- Perfect for fine-tuning your rifle or a new build
- Gas block includes gas roll pin, screws & hex key.
- Gas tube includes a stainless steel gas roll pin
- You can order just a gas block or just a gas tube.