CMMG MK9 Bolt Catch | Model 90CA572 | UPC 810046231432
The CMMG MK9 Bolt Catch (Model 90CA572) is a high-performance, mil-spec replacement component designed for use in AR-15 and AR-10 rifles equipped with the MK9 platform. As an essential part of the bolt carrier group, the bolt catch plays a crucial role in the functionality and operation of your firearm, providing reliable bolt hold-open and ensuring safe cycling after the last round is fired. Whether you’re building a custom rifle, replacing worn-out components, or performing routine maintenance, the CMMG MK9 Bolt Catch ensures that your rifle operates at its peak performance with each shot.
Crafted from durable steel, the CMMG MK9 Bolt Catch is built to withstand the high stress of rapid cycling and heavy-duty use. This premium component ensures that the bolt stays securely in the open position after the last round is ejected, preventing damage to your firearm and allowing for easy reloading. With its easy installation and perfect fit, the CMMG MK9 Bolt Catch ensures that your AR platform operates smoothly, whether you’re at the range, out hunting, or involved in tactical operations.
Why Choose the CMMG MK9 Bolt Catch?
Durable Steel Construction: The CMMG MK9 Bolt Catch is made from high-strength steel, providing long-lasting durability and reliable performance under the stress of high-volume shooting and rapid cycling.
Mil-Spec Design: This bolt catch is built to mil-spec standards, ensuring optimal fit and performance in MK9 rifles. It is designed to meet the rigorous demands of both military and civilian applications.
Bolt Hold-Open Functionality: The CMMG MK9 Bolt Catch ensures that the bolt stays in the open position after the last round is fired, making it easier to perform a reload and preventing damage to your rifle from dry firing. It enhances the overall safety and functionality of your firearm.
Easy Installation: The CMMG MK9 Bolt Catch is designed for easy installation and replacement. It is compatible with standard AR-15 and AR-10 lower receivers, allowing you to quickly and easily swap it in during routine maintenance or custom builds.
Reliable Performance: Designed for consistent operation, the CMMG MK9 Bolt Catch ensures that your rifle performs at its best in a variety of environments, from high-volume range shooting to tactical operations and hunting scenarios.
Ideal Use Cases for the CMMG MK9 Bolt Catch
Rifle Builds: When you’re assembling a custom MK9 rifle or building a new AR-15, the CMMG MK9 Bolt Catch is an essential component. It ensures reliable bolt hold-open functionality for your rifle, allowing for quick and easy reloads when the last round is fired.
Routine Maintenance: Over time, the bolt catch can become worn or damaged from the stress of regular use. Replacing your bolt catch with the CMMG MK9 Bolt Catch ensures that your rifle continues to function optimally. Whether you're performing a full cleaning or routine part replacement, this durable component is the perfect solution.
High-Volume Shooting: If you're frequently engaging in high-volume shooting, the CMMG MK9 Bolt Catch is built to handle the stresses of rapid cycling, ensuring consistent bolt hold-open after every magazine is emptied. It’s perfect for competition shooting, training, or any situation where reliable cycling is essential.
Tactical and Defensive Use: For those who rely on their AR-15 for defensive purposes, the CMMG MK9 Bolt Catch is crucial for ensuring that your rifle performs reliably when it matters most. Its bolt hold-open feature allows for fast reloading, ensuring you're always ready for the next shot.
Performance Benefits
Smooth Functioning: The CMMG MK9 Bolt Catch ensures that your bolt remains in the open position after the last round, reducing the risk of malfunctions during reloading. This functionality helps to streamline your shooting experience, whether you're at the range or in the field.
Durability Under Pressure: Crafted from steel, the CMMG MK9 Bolt Catch is engineered to endure heavy use. It withstands the constant cycling of rounds through your MK9 platform, maintaining its integrity and performance over time.
Increased Reload Speed: By ensuring that the bolt stays open after the last round is fired, the CMMG MK9 Bolt Catch allows you to reload your rifle quickly and easily, minimizing downtime between shots. This is critical for competition shooting and tactical operations where speed and efficiency matter.
Enhanced Safety: The bolt hold-open feature also enhances safety by ensuring that the chamber is empty after the last round. This prevents accidental dry firing and reduces the risk of misfeeds or chamber issues during the next shot.
Key Features of the CMMG MK9 Bolt Catch
Material: Constructed from high-strength steel for durability and reliable performance
Functionality: Ensures bolt hold-open after the last round is fired, preventing dry firing and malfunctions
Mil-Spec Design: Built to mil-spec standards for optimum fit and performance
Compatibility: Fits AR-15 and AR-10 lower receivers with the MK9 platform
Model / SKU: 90CA572
UPC: 810046231432
Installation and Maintenance Tips
Installation: To install the CMMG MK9 Bolt Catch, remove the old catch and insert the new one into the lower receiver. Ensure it is properly aligned with the bolt carrier group and safety spring. Reassemble the components to complete the installation.
Lubrication: Apply gun oil to the moving parts of the bolt catch to reduce friction and ensure smooth operation. Regular lubrication will keep the catch functioning properly and help extend its lifespan.
Routine Inspection: Check the CMMG MK9 Bolt Catch during regular maintenance to ensure that it is still functioning properly. Look for signs of wear such as loose parts, cracks, or damage. Replace the bolt catch if it shows any signs of wear.
Cleaning: Regularly clean the bolt catch to prevent the buildup of dirt, carbon, or debris, which can affect its performance. Use a soft cloth and mild cleaning solution to wipe down the component.
SEO-Friendly Highlights (Quick Scan)
CMMG MK9 Bolt Catch
Durable steel construction for long-lasting performance
Mil-spec design for optimal fit and function
Ensures bolt hold-open after the last round is fired
Easy to install and replace in AR-15 and AR-10 rifles
Model 90CA572 | UPC 810046231432
The Bottom Line
The CMMG MK9 Bolt Catch (Model 90CA572) is an essential part of your AR-15 or AR-10 MK9 platform that ensures reliable cycling and safe operation. Its steel construction and mil-spec design provide the durability and functionality required for tactical shooting, hunting, or competition shooting. By ensuring your bolt remains open after the last round, this bolt catch enhances your firearm's performance, safety, and efficiency. Whether you're building a custom rifle, replacing worn components, or performing routine maintenance, the CMMG MK9 Bolt Catch is a vital component that keeps your rifle performing at its best.
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