Inside the Experience: Safariland 6377 ALS Belt Holster,Kimber 1911 STX
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX is a holster designed for duty carry, concealed carry, and range use, tailored specifically for the classic 1911 platform. Safariland, a name synonymous with law enforcement and military gear, has crafted this holster to provide both secure retention and a smooth, fast draw. This particular model is built to accommodate the Kimber 1911 STX, a popular choice known for its accuracy and reliability. The holster leverages the Safariland Automatic Locking System (ALS) to provide Level I Retention, balancing security with accessibility.
My journey to finding the perfect holster for my Kimber 1911 STX was paved with frustration. I needed a holster that offered more than just passive retention. I wanted something that would reliably secure my firearm during dynamic movements and adverse conditions, while also allowing for a quick, intuitive draw when seconds count.
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX arrived in typical Safariland packaging: simple, functional, and no-nonsense. The first thing I noticed was the slim profile and light weight of the holster. The construction felt robust. The molded polymer appeared durable.
Compared to some other holsters I’ve tried, like the Galco Concealable or the Blackhawk Serpa (for other firearms), the Safariland 6377 offered a unique combination of security and speed. The Galco was comfortable but lacked active retention. The Blackhawk, while secure, sometimes felt clunky. I chose the Safariland hoping to find the sweet spot between these two.
My initial impression was excitement tempered with a bit of skepticism. The ALS system seemed promising, but I was eager to test its real-world performance. I wanted to see if it lived up to the Safariland reputation.
Real-World Testing: Putting Safariland 6377 ALS Belt Holster,Kimber 1911 STX to the Test
First Use Experience
My first outing with the Safariland 6377 ALS Belt Holster, Kimber 1911 STX was at an outdoor shooting range. I wanted to get a feel for the draw stroke and the retention system under pressure. I ran a series of drills involving drawing and firing from various positions. It included practicing re-holstering quickly and efficiently.
The holster performed admirably in dry conditions. The ALS system engaged smoothly and released cleanly with a natural thumb movement. I also tested the holster in a simulated rain scenario using a spray bottle to mimic wet conditions. The grip remained secure and the draw, while slightly slicker, was still reliable.
It took a few draws to fully internalize the muscle memory required to deactivate the ALS while establishing a proper grip. The learning curve was minimal. After about an hour of practice, the draw stroke felt instinctive.
There were no major issues with the first-time use. I noticed a slight rubbing on the finish of my Kimber’s slide, but it was minimal and expected with any Kydex-style holster. The draw was smooth. The retention was rock solid.
Extended Use & Reliability
After several months of consistent use, the Safariland 6377 ALS Belt Holster, Kimber 1911 STX has proven its mettle. I’ve used it in various scenarios, from training courses to open carry situations on my property. It has consistently performed without fail.
The holster shows minimal signs of wear and tear. The polymer construction is resistant to scratches and scuffs. The ALS mechanism continues to function flawlessly.
Maintenance is straightforward. A quick wipe-down with a damp cloth and occasional lubrication of the ALS engagement point is all it takes to keep the holster in top condition. I have not had to do any repairs in the last several months.
Compared to other holsters I’ve owned, the Safariland 6377 stands out for its balance of security, speed, and durability. It outperforms less expensive passive retention holsters. It also rivals more complex Level II and Level III retention holsters in terms of draw speed.
Breaking Down the Features of Safariland 6377 ALS Belt Holster,Kimber 1911 STX
Specifications
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX is specifically molded for the Kimber 1911 STX and similar 1911 variants with a 5-inch barrel. It features Safariland’s renowned Automatic Locking System (ALS) for secure Level I Retention. The holster is constructed from durable SafariSeven nylon blend, a proprietary material that is non-abrasive to firearms and impervious to temperature extremes.
The slim, low-profile design enhances concealability. The low-ride belt loop positions the firearm for an easy and natural draw stroke. An optional ALS Guard can be added for enhanced security, providing an extra layer of protection against unauthorized access. The price of $53.99 reflects the quality materials and proven design.
These specifications matter because they directly impact the holster’s performance and usability. The ALS system provides a reliable and intuitive retention mechanism. The SafariSeven material ensures durability and protects the firearm’s finish. The low-ride design facilitates a smooth and efficient draw.
Performance & Functionality
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX excels in its primary function: securely retaining the firearm while allowing for a rapid and reliable draw. The ALS system is intuitive and easy to operate, providing a tactile and audible confirmation when the firearm is properly holstered. The draw stroke is smooth and natural.
The holster’s strength lies in its balance of security and speed. The ALS provides a high level of retention, while the low-ride design and ergonomic thumb release allow for a quick and efficient draw. One area for potential improvement is the addition of adjustable tension screws to fine-tune the draw resistance.
Overall, the Safariland 6377 meets and exceeds expectations for a Level I retention holster. It provides a secure and reliable platform for carrying a Kimber 1911 STX.
Design & Ergonomics
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX boasts a functional and well-thought-out design. The SafariSeven material is lightweight yet durable. The holster’s slim profile minimizes bulk and enhances concealability.
The holster is generally user-friendly, although some may require practice to master the ALS release. The low-ride belt loop positions the firearm for a comfortable and natural draw stroke. There is a slight learning curve due to the ALS system.
Durability & Maintenance
The SafariSeven construction ensures that the Safariland 6377 ALS Belt Holster, Kimber 1911 STX is built to last. The material is resistant to scratches, scuffs, and temperature extremes. With proper care, it should provide years of reliable service.
Maintenance is minimal. Regular cleaning with a damp cloth and occasional lubrication of the ALS mechanism are all that’s required.
Accessories and Customization Options
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX is compatible with a range of Safariland accessories, including the ALS Guard for enhanced security. It will accommodate any 1.5 – 2.25 inch width belt. The holster is also compatible with various belt mounting systems, allowing for customization of ride height and cant.
While the holster is primarily designed for use with the Kimber 1911 STX, it may also be compatible with other similar 1911 variants with a 5-inch barrel. Aftermarket accessories such as belt loops and mounting systems from other brands may also be compatible.
Pros and Cons of Safariland 6377 ALS Belt Holster,Kimber 1911 STX
Pros
- Secure Level I Retention with ALS. Provides excellent retention without sacrificing draw speed.
- Durable SafariSeven Construction. Withstands harsh conditions and protects the firearm.
- Slim and Low-Profile Design. Enhances concealability and comfort.
- Smooth and Natural Draw Stroke. Allows for a fast and efficient draw.
- Affordable Price. Offers excellent value for the money at $53.99.
Cons
- ALS system requires training
- No Adjustable tension

Who Should Buy Safariland 6377 ALS Belt Holster,Kimber 1911 STX?
Perfect for: Law enforcement officers, security professionals, competitive shooters, and responsible citizens who carry a Kimber 1911 STX (or similar 1911 variant) and require a secure, reliable, and concealable holster. It is ideal for those who prioritize a balance of security and speed.
Who should skip this product? Individuals who prefer passive retention holsters or those who require a higher level of retention (Level II or Level III).
Must-have accessories or modifications? A sturdy belt designed for holster carry is essential for optimal comfort and stability. The optional ALS Guard can be added for enhanced security.
Conclusion on Safariland 6377 ALS Belt Holster,Kimber 1911 STX
The Safariland 6377 ALS Belt Holster, Kimber 1911 STX is a well-designed and expertly crafted holster that delivers on its promises. It provides a secure and reliable platform for carrying a Kimber 1911 STX while allowing for a quick and efficient draw.
The price of $53.99 is more than justified given the holster’s quality construction, innovative ALS system, and proven performance. It offers an excellent value proposition for those seeking a Level I retention holster.
I would wholeheartedly recommend the Safariland 6377 ALS Belt Holster, Kimber 1911 STX to anyone who carries a Kimber 1911 STX and values security, speed, and reliability. Invest in your safety and peace of mind – get the Safariland 6377 ALS Belt Holster, Kimber 1911 STX today!
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