The Set of .936 Gas Block Screws provides the hardware needed to secure gas blocks with a .936 inch inside diameter to AR15 barrels. These screws thread into the barrel from the gas block and create the clamping force that locks the gas block in position over the gas port. The steel construction provides the tensile strength needed to handle the clamping forces without stripping or breaking during installation or use. The black oxide finish creates a corrosion resistant surface that protects against moisture, carbon buildup, and cleaning solvents. These screws are sized specifically for .936 diameter gas blocks, which are the standard size for most AR15 barrels.
The .936 inch inside diameter is the standard size for AR15 gas blocks that fit barrels with a 0.750 inch diameter under the gas block. This diameter provides enough clearance for the gas block to slide over the barrel while maintaining a tight fit once the screws are torqued down. The screws thread into holes drilled and tapped into the barrel at the gas block location, creating a mechanical lock that prevents the gas block from rotating or shifting.
The steel material provides the tensile strength needed to withstand the clamping forces generated when the screws are torqued to specification. This strength prevents the screws from stretching, stripping, or breaking during installation or under the stress of repeated firing. The material also resists deformation from heat generated by the gas system during sustained firing.
The black oxide finish is a chemical conversion coating that penetrates the steel surface and creates a layer that resists corrosion from moisture, carbon fouling, and cleaning solvents. This finish holds up to the harsh environment under the handguard where the gas block sits, protecting the screws from rust and degradation over time. The black color also provides a low visibility finish that blends with most gas blocks and barrels.
These screws create the clamping force that locks the gas block in position over the gas port, preventing the block from rotating or moving during firing. Proper torque ensures the gas block stays aligned with the gas port so gas can flow correctly from the barrel into the gas tube. Loose or improperly torqued screws can allow the gas block to shift, which causes cycling issues or complete failure to cycle.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable laws. Torque screws to manufacturer specifications to prevent over tightening or insufficient clamping force. Verify gas block and barrel compatibility before installation. Use thread locker as recommended to prevent screws from backing out during use.
Product Name: Set of .936 Gas Block Screws
Color: black
Thread Pitch:10-32
Compatibility: Compatible with .936-inch diameter gas blocks
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