CMMG AR-15 Pivot Pin Detent Spring | Model 55CA581 | UPC 810046231258
Ensure the smooth operation and reliability of your AR-15 rifle with the CMMG AR-15 Pivot Pin Detent Spring. This small but vital component plays a key role in securing the pivot pin in place, ensuring the upper and lower receivers of your AR-15 stay firmly connected during use. Whether you're building a custom rifle, replacing a worn-out part, or performing routine maintenance, the CMMG AR-15 Pivot Pin Detent Spring (Model 55CA581) is an essential piece for keeping your rifle functioning as intended.
Manufactured to mil-spec standards, the CMMG Pivot Pin Detent Spring is designed for durability, precision, and long-lasting performance. It helps to maintain the proper tension on the pivot pin, preventing it from becoming loose or disengaging during operation. Made from high-strength steel, this spring is built to withstand the pressures and stresses of regular shooting, ensuring your AR-15 continues to operate smoothly even under demanding conditions.
Why Choose the CMMG AR-15 Pivot Pin Detent Spring?
Mil-Spec Design — The CMMG AR-15 Pivot Pin Detent Spring is engineered to mil-spec standards, ensuring it provides the correct tension and secure fit for your pivot pin. This guarantees your AR-15 upper and lower receivers stay properly aligned, improving overall rifle functionality.
Durable Construction — Made from high-strength steel, this pivot pin detent spring is built to endure the wear and tear of regular use, offering long-term durability and performance even in harsh conditions. It resists deformation and breakage, ensuring your rifle remains in top condition for years.
Reliable Operation — The spring provides the necessary tension to keep the pivot pin in place, preventing it from shifting or becoming loose during operation. This ensures smooth rifle cycling, reduces the likelihood of malfunctions, and helps maintain proper receiver alignment.
Easy Installation — Installing the CMMG AR-15 Pivot Pin Detent Spring is quick and straightforward. With basic tools, you can replace your old, worn-out spring, restore your rifle’s functionality, and keep your AR-15 working like new.
Compatibility — This pivot pin detent spring is designed for use in mil-spec AR-15s, making it the ideal replacement for custom builds, routine repairs, or general maintenance.
Key Features of the CMMG AR-15 Pivot Pin Detent Spring
Material: High-strength steel for durability and long-lasting performance
Design: Mil-spec design ensures correct fit and tension
Function: Keeps the pivot pin securely in place, preventing it from disengaging during operation
Compatibility: Fits mil-spec AR-15 upper and lower receiver assemblies
Installation: Easy to install with basic tools
Model / SKU: 55CA581
UPC: 810046231258
Ideal Use Cases for the CMMG AR-15 Pivot Pin Detent Spring
AR-15 Builds: If you're assembling a custom AR-15, the CMMG Pivot Pin Detent Spring is a necessary part for ensuring the upper and lower receivers stay properly aligned and securely connected. This spring ensures that your pivot pin stays in place, preventing unnecessary movement of the receivers.
Replacement Parts: Over time, the pivot pin detent spring can wear out or lose tension. Replacing it with the CMMG AR-15 Pivot Pin Detent Spring restores your rifle’s reliable function, preventing issues with the pivot pin and ensuring your rifle is in optimal working condition.
Routine Maintenance: Regular maintenance is crucial to keeping your AR-15 in top shape. Replacing parts like the pivot pin detent spring is part of that process, ensuring your bolt catch, magazine catch, and pivot pin systems function properly.
Tactical Use and Competitive Shooting: For tactical operations or competitive shooting, reliability is paramount. A properly functioning pivot pin detent spring ensures that your AR-15 operates smoothly, making sure the upper and lower receivers are securely connected during rapid reloading or high-pressure scenarios.
Performance Benefits
Enhanced Rifle Functionality: The pivot pin detent spring keeps the upper and lower receivers aligned and securely connected, ensuring that your AR-15 functions correctly during operation. This is crucial for the reliable cycling of your rifle.
Durable and Long-Lasting: Constructed from high-strength steel, this spring can withstand frequent use without weakening or breaking, making it an ideal replacement part that will serve your AR-15 for years.
Improved Reloading Efficiency: The proper functioning of the pivot pin detent spring ensures smooth operation, which is critical for fast and efficient reloading. It minimizes disruptions during shooting, whether you're in competition or tactical environments.
Preventing Malfunctions: A secure pivot pin prevents issues with the receiver alignment, which can lead to malfunctions if the upper and lower receivers are not properly seated. The pivot pin detent spring ensures that your rifle stays in working order and performs reliably under stress.
Installation and Maintenance Tips
Inspect Regularly: During routine cleaning and maintenance, inspect the pivot pin detent spring for any signs of wear or deformation. If you notice any issues, replace the spring to ensure continued proper receiver function.
Proper Installation: The pivot pin detent spring should be installed securely, ensuring it applies the correct tension to the pivot pin. A properly installed spring ensures that the pivot pin stays in place and does not disengage during shooting.
Lubrication: Apply light lubrication to the pivot pin detent spring and surrounding components to reduce friction and ensure smooth cycling. This helps minimize wear and extends the lifespan of the part.
Routine Replacements: Regularly check the condition of the pivot pin detent spring during rifle maintenance. Replacing it as needed will keep your AR-15 functioning smoothly, preventing misalignments or malfunctions.
Specifications (At a Glance)
Model / SKU: 55CA581
UPC: 810046231258
Material: High-strength steel
Function: Keeps the pivot pin securely in place
Compatibility: Designed for mil-spec AR-15 upper and lower receiver assemblies
Design: Mil-spec design for secure tension
Installation: Simple to install with basic tools
SEO-Friendly Highlights (Quick Scan)
CMMG AR-15 Pivot Pin Detent Spring
High-strength steel for reliable performance
Mil-spec design ensures perfect fit and tension
Easy installation for quick maintenance
Compatible with mil-spec AR-15 receivers
Model 55CA581 | UPC 810046231258
The Bottom Line
The CMMG AR-15 Pivot Pin Detent Spring (55CA581) is a crucial yet often overlooked part that ensures the smooth operation and reliable performance of your AR-15 rifle. Made from high-strength steel and designed to mil-spec standards, this spring keeps the pivot pin securely in place, ensuring that your upper and lower receivers stay properly aligned during use. Whether you're building a custom AR-15, replacing a worn-out part, or performing routine maintenance, the CMMG AR-15 Pivot Pin Detent Spring offers durability, precision, and easy installation, keeping your rifle in top working condition.
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