Home of the 6.5 Creedmoor Subsonic.
We were the first to commercially develop a subsonic 6.5 Creedmoor, setting the standard for precision and reliability in this category. Engineered for accuracy and discretion, the Chalk 1 Munitions® Subsonic 6.5 Creedmoor delivers consistent, whisper-quiet performance. Loaded with Hornady® 140 gr ELD-M® projectiles at 1,050 FPS, it is optimized for bolt-action platforms and suppressor applications. Built to SAAMI dimensional specifications and validated in 1:8″ twist barrels, it provides stable, repeatable results beyond 100 yards. Veteran-owned. American-made. Limited availability.
Recent Reviews.
Greetings from Chalk 1
After eight years of quiet production, Chalk 1 Munitions opens the doors to its story — from subsonic innovation to precision manufacturing and testing.
Subsonic Ammo Parameters
In this article, we break down the true capabilities of subsonic projectiles, the physics behind their behavior, and conditions that can push them beyond their limits.
From the Desk of Chalk 1
Co-Founder Derek Borden thanks the community for eight years of support and outlines Chalk 1 Munitions’ continued focus on precision, innovation, and future subsonic advancements.