The Ballistic Advantage .750-inch Low-Profile Gas Block (brand part no. BAPA100013) gives AR-pattern builds a low-profile gas block sized for a .750-inch gas seat, the most common journal size on mid-weight and heavy-profile barrels. The low-profile design lets the block sit under most free-float handguards without adding bulk. Ballistic Advantage builds its gas parts to the same standard as its AR barrels, aiming for consistent reliability, accuracy, and clean fit and finish. It’s a straightforward way to complete a gas system on a barrel with a .750-inch gas journal.

Key Specifications

• Sized for a .750-inch gas seat.
• Low-profile design fits under most free-float handguards.
• Built by Ballistic Advantage to the same standard as their AR barrels.
• Machined from 4140 steel.
• Finished with a QPQ Melonite coating.
• Secured with setscrews (roll pin not included).

Frequently Asked Questions

What gas seat diameter does this block fit? It’s sized for a .750-inch gas seat, the most common size on mid-weight and heavy-profile AR barrels.

Will this gas block fit under a free-float handguard? Yes, the low-profile design is built to sit under most free-float handguards.

Buy the Ballistic Advantage .750-inch Low-Profile Gas Block

Order this Ballistic Advantage gas block from our AR gas system selection as soon as it’s available to ship.