Troy Gas Block 936 Low Profile for Bull Barrel Rifles 223 556 308

The Troy Gas Block .936 Low Profile is engineered by Troy to fit bull barrel rifles with a 0.936 gas block seat, delivering a precise, low-profile solution that enhances modularity and performance across calibers including .223/5.56 and .308, as well as other configurations. This robust block is machined from 4140 pre-hardened steel and finished with MIL-STD manganese phosphate for durable corrosion resistance and dependable service in harsh field conditions. Designed to replace standard or fixed front sight gas blocks, it also accommodates a free float rail system that installs over the gas block, giving shooters a clean, rock-solid mounting surface and improved accuracy potential. While the gas tube roll pin is not included, the block provides a secure, repeatable interface that maintains alignment under heavy use, enabling reliable cycling and consistent gas management. Ideal for builders and shooters seeking a compact, high-strength gas block that supports refined rail systems and versatile caliber compatibility, the Troy .936 Low Profile Gas Block delivers enduring performance, ease of installation, and compatibility with a range of bull barrel configurations for precision-oriented rifles.