The Armaspec ST45 is a premium ambidextrous safety selector with short-throw design for faster engagement on AR-15 and AR-10 platforms. Ideal for performance upgrades and tactical customization.
The Armaspec ST45 ambidextrous safety selector is a premium upgrade for modern AR rifles. This selector operates smoothly on both sides of your receiver for left-handed and right-handed shooters alike. The short-throw design reduces the distance your thumb travels significantly during safety manipulation.
Short-Throw Performance & Design
The 45-degree angle provides ergonomic control without catching on gear or tactical equipment. As a result, you’ll engage safety controls faster under pressure. Additionally, the mechanism maintains smooth operation after thousands of manipulations. This makes the ST45 ideal for firearm customization and performance upgrades on your existing platform.
Wide Platform Compatibility
The ST45 fits both AR-15 and AR-10 platforms seamlessly. Furthermore, it works with 5.56 NATO and .223 Remington caliber rifles. The selector also accommodates 7.62 NATO and .308 Winchester AR variants. Installation takes just a few minutes with basic tools—perfect for DIY maintenance and builds.
Build Quality & Durability
Armaspec manufactures this component with precision engineering standards. The robust construction withstands heavy use and adverse conditions. Moreover, the black finish resists corrosion and matches standard tactical aesthetics. Indeed, this is a component trusted by professional shooters and serious enthusiasts alike.
Whether you’re building a new rifle or upgrading an existing platform, the Armaspec ST45 delivers noticeable improvements. Next, consider pairing it with other quality aftermarket components for optimal performance and reliability.
Available at Western Sport – Roanoke, TX
Western Sport is a licensed FFL/SOT dealer serving the North Texas and DFW area since 2007. We stock the Armaspec ST45 and offer expert installation guidance for shooters in Roanoke, TX and beyond. Call us at 817-393-4000 for availability, pricing, and professional advice on your next AR upgrade.
Why Buy from Western Sport?
Licensed FFL/SOT dealer with 17+ years of expertise in AR builds and customization.
Local North Texas service means we understand your shooting needs and preferences.
Knowledgeable staff provides free guidance on compatibility, installation, and firearm upgrades.
Competitive pricing on all Armaspec products and quality aftermarket components.
Fast transfers, hassle-free returns, and trusted reputation built on integrity.
Frequently Asked Questions
Q: Will the Armaspec ST45 work on my AR-15?
A: Yes, the ST45 is fully compatible with all standard AR-15 platforms chambered in 5.56 NATO or .223 Remington. Installation takes just a few minutes with basic tools, and our staff can answer any questions about the fit.
Q: Is the ST45 truly ambidextrous?
A: Absolutely. The ST45 operates smoothly from both the left and right sides of the receiver. Both left-handed and right-handed shooters benefit equally from this ergonomic design.
Q: What warranty does Armaspec offer on this selector?
A: Yes, Armaspec stands behind all their components with a manufacturer’s warranty. Contact Western Sport at 817-393-4000 for specific warranty details and coverage information.
Q: Can I install the ST45 myself or do I need a gunsmith?
A: Most shooters install the ST45 themselves using basic tools and a punch set. If you’re uncomfortable with installation, any competent gunsmith can complete it quickly and affordably.
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