Hera Arms AGS nastavitelný gas blok s plynovou trubicí - carbine, .750"

Hera Arms AGS (Adjustable Gas System) is an adjustable gas block for the AR-15 platform, designed for barrels with a gas block journal diameter of .750" and in this version supplied including a pre-installed gas tube (carbine length). It is an all-in-one solution that simplifies installation while allowing fine-tuning of gas flow for reliable firearm operation.

The system allows regulation of gas flow to the bolt carrier, which is especially important when using different types of ammunition, shortened systems, or a suppressor. Proper adjustment helps reduce recoil, limit bolt carrier group fouling, and optimize cycling.

Structurally, the AGS is designed as a compact and robust gas block with an integrated tube, which eliminates one of the most common installation errors (incorrect seating or a leak at the gas block–gas tube junction). Adjustment is typically handled via a set screw with a detent.

In practice, the Hera AGS falls into the category of "classic" adjustable blocks — meaning flow restriction, not a bleed-off system. Compared to a standard fixed gas block, it allows tuning of the firearm's behavior based on configuration (e.g. heavier buffer, suppressor, lighter loads).

Key features:

• Designed for the AR-15 platform
• Barrel diameter: .750"
• System length: carbine
• Adjustable gas block (gas flow regulation)
• Supplied with gas tube (pre-mounted / set)
• Allows tuning of firearm cycling (recoil, reliability, over-gassing)
• Compact design suitable under most free-float handguards
• Suitable for both sporting and tactical AR-15 configurations