Ruger 90666 OEM Stainless 10-Round Magazine for Ruger SR1911 Competition (9mm Luger) – Precision, Reliability, and Unwavering Performance

For discerning firearm owners, particularly those who demand the highest standards of reliability and performance from their Ruger SR1911 Competition in 9mm Luger, the choice of magazine is paramount. The Ruger 90666 OEM Stainless Detachable 10-round magazine is not just an accessory; it is an integral component designed to ensure your pistol operates flawlessly, whether on the competitive range, during a training session, or for recreational shooting. This official factory magazine, crafted to Ruger's rigorous specifications, provides the peace of mind that comes only with genuine Original Equipment Manufacturer (OEM) parts, meticulously engineered to perfectly match your firearm.

Why Choose an OEM Ruger SR1911 Competition Magazine? The Cornerstone of Reliability

When considering a magazine for a precision firearm like the Ruger SR1911 Competition, the distinction between a generic aftermarket option and an OEM part is critical. The Ruger 90666 stands out as an OEM product for several compelling reasons:

• Uncompromised Reliability: Factory magazines are designed and tested alongside the firearm itself. This means they are optimized for flawless feeding, extraction, and slide lock functionality. Ill-fitting or poorly manufactured magazines are a common source of malfunctions, leading to frustrating stoppages and potential safety concerns. With the Ruger 90666, you're investing in the reliability Ruger built its reputation on.
• Precision Engineering and Fit: Every dimension, angle, and contour of the Ruger 90666 magazine is precisely matched to the internal mechanics of the Ruger SR1911 Competition (9mm Luger). This ensures a snug yet smooth fit within the magazine well, easy insertion and release, and perfect alignment with the feed ramp. This exact fit minimizes friction and ensures cartridges are presented consistently to the chamber, reducing the likelihood of feeding failures.
• Superior Material Quality: Constructed from durable stainless steel, this magazine is built to withstand the rigors of competitive shooting, extensive training, and general use. Stainless steel offers excellent resistance to corrosion, rust, and wear, ensuring the magazine maintains its structural integrity and aesthetic appeal over countless loading cycles and years of service. It resists bending, denting, and deformation, which are common issues with lesser quality materials that can lead to feeding problems.
• Consistent Spring Tension: The magazine spring is one of its most critical components. OEM Ruger springs are manufactured to precise specifications, providing consistent and reliable upward pressure on the follower. This ensures that the next round is always presented correctly, even when the magazine is fully loaded or nearing empty. Consistent spring tension is vital for smooth feeding, preventing nose-dives or other feeding anomalies that can disrupt a shooting string.
• Seamless Integration with Firearm Systems: From the magazine catch cutouts to the baseplate's design for ergonomic gripping and seating, every aspect of the Ruger 90666 is designed to integrate seamlessly with your Ruger SR1911 Competition pistol. This ensures not only functional reliability but also enhances the overall shooting experience, allowing for quick reloads and confident handling.

Understanding the 10-Round Capacity: Compliance, Training, and Competition

The 10-round capacity of the Ruger 90666 magazine is a deliberate design choice that offers significant benefits for a wide array of users:

• State and Local Compliance: For shooters residing in jurisdictions with capacity restrictions (e.g., states limiting magazine capacity to 10 rounds), this magazine is an essential component for legal firearm ownership and use. It allows owners of the Ruger SR1911 Competition to remain compliant with local laws without compromising on the quality or reliability of their equipment.
• Optimal for Training and Practice: A 10-round capacity is often ideal for focused training sessions. It encourages more frequent reloading drills, honing a critical skill for both competitive and defensive shooting. It also allows instructors to manage ammunition consumption more effectively during courses, and for individual shooters to focus on fundamental marksmanship without the distraction of an excessive number of rounds in the magazine. It also reduces the weight of a loaded magazine, which can be beneficial during extended range sessions.
• Competitive Shooting Advantages: Many competitive shooting divisions, such as USPSA Production, Carry Optics, or IDPA Stock Service Pistol, impose magazine capacity limits that often fall around 10 rounds. For Ruger SR1911 Competition owners participating in these sports, the 90666 magazine is the perfect choice, ensuring compliance with division rules while providing ample capacity for a stage. Its reliability is paramount when every second counts and every shot needs to land true.
• Focused Marksmanship: With a 10-round magazine, shooters often find themselves more focused on shot placement and trigger control, rather than simply rapid-firing through a high-capacity magazine. This can lead to improved accuracy and more thoughtful engagement with the target.

Key Features and Design Excellence of the Ruger 90666 Magazine

The Ruger 90666 magazine incorporates several design elements that contribute to its exceptional performance and durability:

• Stainless Steel Construction: As mentioned, the use of stainless steel for the magazine body provides superior strength, corrosion resistance, and a smooth, low-friction surface that facilitates easy loading and feeding. This material choice ensures the magazine can withstand repeated insertions, drops, and exposure to various environmental conditions without degradation of performance. Its robust nature makes it resilient against dents and warping, which are common failure points in magazines made from lesser materials.
• Low-Friction Follower: The magazine features a specially designed follower, often crafted from a durable polymer, that ensures smooth and consistent upward movement of cartridges. Many Ruger OEM followers are engineered to be anti-tilt, preventing rounds from binding or getting misaligned within the magazine body, a critical feature for reliable feeding. The low-friction material minimizes resistance, allowing the spring to exert consistent pressure.
• High-Quality Spring: The heart of any magazine is its spring. The Ruger 90666 utilizes a heat-treated, durable spring that maintains its tension over extended periods, even when stored fully loaded. This high-quality spring prevents "spring fatigue," which can lead to feeding issues as the magazine ages. Its consistent pressure is vital for reliable feeding from the first round to the last.
• Robust Baseplate: The detachable baseplate is designed for durability and ease of maintenance. It securely retains the spring and follower while also providing a stable surface for seating the magazine firmly into the pistol's magazine well. Some designs incorporate a slight lip or finger rest for improved grip during reloads, or to protect the magazine body from impact if dropped. Its robust construction ensures it won't crack or break under typical use.
• Witness Holes (if applicable): While not explicitly stated for this model, many modern magazines, including some Ruger designs, feature witness holes along the side. These small holes allow the shooter to quickly and visually verify the number of rounds remaining in the magazine, providing crucial situational awareness during training or competition.

Who Needs This Magazine? Common Scenarios and User Benefits

The Ruger 90666 OEM Stainless 10-round magazine for the Ruger SR1911 Competition (9mm Luger) is an indispensable asset for various users:

• Competitive Shooters: For participants in USPSA (United States Practical Shooting Association), IDPA (International Defensive Pistol Association), Steel Challenge, or other competitive disciplines where the Ruger SR1911 Competition is a favored pistol, reliable magazines are non-negotiable. This 10-round capacity aligns with many division rules, and the magazine's OEM reliability translates directly into fewer malfunctions and better stage times. Having multiple reliable magazines is crucial for practice and competition.
• Recreational Range Shooters: For those who enjoy leisurely target practice, having additional magazines means more shooting and less reloading. The 10-round capacity strikes a balance between ample shooting time and manageable reloading intervals, making range sessions more enjoyable and productive. Its durability also means it will stand up to frequent use.
• Individuals in Capacity-Restricted Jurisdictions: This is a primary target audience. The 10-round capacity ensures legal compliance in states and localities that mandate limits on magazine capacity. Owners of the Ruger SR1911 Competition in these areas can confidently use their firearm knowing their magazines meet legal requirements.
• First-Time SR1911 Competition Owners: Often, firearms come with a limited number of magazines. Acquiring additional OEM magazines is one of the first and most important steps in outfitting a new pistol. The 90666 provides that essential backup or primary magazine.
• Those Seeking a Backup or Replacement: Magazines are consumable items that can get lost, damaged, or simply wear out over time with heavy use. Owning a genuine OEM replacement ensures that you can quickly restore your pistol's full functionality without resorting to potentially unreliable aftermarket alternatives.
• Serious Training Enthusiasts: For anyone dedicated to improving their shooting skills, particularly with their Ruger SR1911 Competition, a consistent supply of reliable magazines is vital. Malfunctions caused by poor magazines can derail training progress and create bad habits.

Maintaining Your Ruger Magazine for Longevity and Performance

To ensure your Ruger 90666 magazine continues to perform flawlessly for years, proper care and maintenance are essential:

1. Regular Cleaning: Magazines should be disassembled and cleaned periodically, especially after extensive use or if they've been exposed to dirt, dust, or moisture. Use a non-solvent-based cleaner to wipe down the follower, spring, and inside of the magazine body. Ensure all grit and grime are removed.
2. Inspect for Wear: Regularly check the feed lips for any signs of bending, cracking, or wear. Also, inspect the baseplate for damage and ensure the spring still provides strong, consistent tension. If the spring feels weak or the feed lips are damaged, it might be time for a replacement.
3. Proper Storage: Store magazines empty if possible, or loaded only for short durations if intended for immediate use. While modern springs are more resilient, long-term compression can theoretically contribute to wear. Avoid storing magazines in overly humid environments to prevent corrosion, even with stainless steel.
4. Avoid Abuse: Do not use magazines as tools, drop them unnecessarily on hard surfaces, or attempt to force more rounds than their design capacity. While durable, excessive abuse can lead to damage.
5. Use Quality Ammunition: While not directly a magazine maintenance tip, using consistent, quality ammunition reduces the stress on your magazine and firearm, contributing to overall reliability.

The Ruger SR1911 Competition – A Perfect Partnership

The Ruger SR1911 Competition pistol in 9mm Luger is a highly respected firearm among enthusiasts and competitive shooters, known for its superb accuracy, crisp trigger, and classic 1911 ergonomics with modern enhancements. It is a pistol designed for precision and performance.

Pairing this high-performance pistol with a genuine Ruger 90666 OEM magazine ensures that its inherent accuracy and reliability are fully realized. Just as a high-performance engine requires premium fuel, a precision pistol like the SR1911 Competition thrives on components designed to its exact specifications. The stainless steel construction of the magazine complements the SR1911's durable build, while its precise feeding characteristics uphold the pistol's reputation for unwavering functionality. This synergy creates a truly exceptional shooting experience, allowing you to focus on your marksmanship and enjoy the unparalleled satisfaction of a perfectly functioning firearm.

Where to Find Authentic Ruger OEM Accessories

For those seeking genuine Ruger parts and accessories, ensuring authenticity and quality is key. The Ruger 90666 OEM Stainless Detachable 10rd magazine for 9mm Luger Ruger SR1911 Competition is available at DEGuns. Purchasing from a reputable dealer like DEGuns ensures you receive authentic Ruger products, backed by reliable service, giving you confidence in your purchase. Avoid counterfeits or substandard aftermarket products that could compromise the safety and performance of your valuable firearm.

Frequently Asked Questions about the Ruger 90666 Magazine

To help you make an informed decision, here are answers to common questions about this essential accessory:

• Is this magazine compatible with other 1911 pistols?
  No, this magazine is specifically designed for the Ruger SR1911 Competition chambered in 9mm Luger. While it might physically fit into other 9mm 1911 pistols, its optimal performance and reliability are guaranteed only with the Ruger SR1911 Competition due to precise manufacturing tolerances and feed geometry. It is not designed for other calibers or different 1911 models.
• Why is "OEM" important for a magazine?
  OEM (Original Equipment Manufacturer) means the magazine is made by Ruger, the same company that manufactured your SR1911 Competition pistol. This ensures the highest level of compatibility, reliability, and quality control, as it was designed and tested in conjunction with the firearm itself. Aftermarket magazines may not meet these precise specifications, potentially leading to malfunctions.
• What are the benefits of a stainless steel magazine?
  Stainless steel offers superior durability, corrosion resistance, and a smooth, low-friction surface compared to other materials. It resists bending, denting, and rust, ensuring the magazine maintains its structural integrity and feeding reliability over a long lifespan, even in harsh environments.
• Can I use this magazine for competitive shooting?
  Absolutely. The 10-round capacity aligns with the rules of many competitive shooting divisions, such as USPSA Production, Carry Optics (depending on rules variations), and IDPA Stock Service Pistol. Its OEM reliability is crucial for consistent performance during timed stages.
• How often should I clean my pistol magazines?
  It's a good practice to clean your magazines periodically, especially after intensive use or if they've been exposed to dirt or debris. A general guideline might be every 500-1000 rounds, or if you notice any feeding issues. Disassemble, clean components, and reassemble.
• Will this magazine fit the Ruger SR1911 in .45 ACP?
  No, this magazine is explicitly designed for the 9mm Luger caliber. A .45 ACP round is larger and will not fit correctly into a 9mm magazine. Always ensure your magazine matches your firearm's caliber.

Product Specifications

Feature	Description	UPC
Product Name	Ruger 90666 OEM Stainless Detachable Magazine	736676906666
Capacity	10 Rounds
Caliber	9mm Luger
Compatibility	Ruger SR1911 Competition (9mm Luger Model) Only
Material	Stainless Steel
Type	Detachable Box Magazine
Manufacturer	Ruger (Original Equipment Manufacturer - OEM)
Application	Replacement, Backup, Training, Competition, Capacity Compliance
Color/Finish	Stainless Steel