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Putting together an AR10 lower is where a lot of builders get to make it their own, and this Armaspec Gun Builders Kit gives you a serious head start. Instead of the plain mil-spec springs and pins you'd find in a bargain kit, Armaspec bundles their upgraded lower components into one package, all finished in matching black to look sharp against a stainless build. Everything here is made in the U.S.A. and backed by Armaspec's lifetime warranty, so you're not gambling on the small parts that keep a rifle running.
The headliner is the Armaspec SFT45/90 ambidextrous safety selector. It's a steel-core selector with two aluminum levers, one long and one short, so you can set it up for either a 45 degree short throw or a full 90 degree throw and run it lefty or righty. Pair that with the enhanced takedown and pivot pins, stainless anti-walk trigger and hammer pins, an enhanced magazine release button, and a full run of stainless detents and springs, and you've got a lower that feels dialed in from the first range trip.
This kit is built to work with most AR-10 pattern lowers and drops in with standard tools. The included hex keys handle the anti-walk pins, and the stainless steel detents and springs resist corrosion better than plain steel over the long haul. One thing worth knowing up front: this is a builder's kit, not a complete lower parts kit. It does not include a pistol grip, trigger and hammer group, disconnector, or trigger guard, which leaves you free to pick the fire control group and grip you actually want.
The black finish here is one of several colorways Armaspec offers, so if you're chasing a coordinated look on your receiver set, this kit keeps the small controls consistent. It's a nice touch for anyone who cares about how a finished build looks as much as how it shoots.
No, this is a builder's kit rather than a complete LPK. It leaves out the pistol grip and hardware, the trigger and hammer, their springs, the disconnector and its spring, and the trigger guard. That's intentional, since it lets you choose your own fire control group and grip to finish the build.
It includes Armaspec's SFT45/90 ambidextrous safety selector. It uses a steel core with two aluminum levers, one long and one short, and can be set up for either a 45 degree short throw or a full 90 degree throw. That gives you fast, crisp operation whether you shoot right or left handed.
It's designed to work with most AR-10 and .308 pattern lowers and installs with standard tools. Because AR-10 platforms have some variation between brands, it's smart to confirm your receiver follows a common pattern before assembly. The kit even includes hex keys for setting the anti-walk pins.
Instead of generic springs and pins, Armaspec packs in their enhanced parts: the ambi SFT45/90 safety, stainless anti-walk trigger and hammer pins, enhanced takedown and pivot pins, and an enhanced magazine release. The stainless detents and springs also hold up better against corrosion. It's all made in the U.S.A. and carries a lifetime warranty.
| UPC | 810048491537 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ARM150-BLK |
| Length | 8.8000 |
| Color | Black |
| Model |
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