Choose the Smith & Wesson AR15 Customizable Mil-Spec Lower Parts Kit when you are planning a custom build. These AR15 Lower Parts from Smith & Wesson provide all the springs, pins and detents you’ll need for that dream MSR. Add the competition-ready trigger of your choice and use the Smith & Wesson AR15 Lower Parts Kit for the basics. The Smith & Wesson AR15 Customizable Lower Parts Set provides high quality Mil-Spec parts for good support of your platform. Specifications for Smith & Wesson AR-15 Customizable Lower Parts Kit: Manufacturer: Smith & Wesson Color: Black Condition: New Features of Smith & Wesson AR15 Customizable Mil-Spec Lower Parts Kit, SN-LPK-CSTLOPK: Perfect choice for custom AR15 build. Provides all minor Mil-Spec parts. Allows addition of common after market upgrades such as triggers and grips. Package Contents: Smith & Wesson AR15 Customizable Lower Parts Kit, SN-LPK-CSTLOPK
6 reviews for Smith & Wesson AR-15 Customizable Lower Parts Kit
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Ken –
Great parts kit.Everything fit and worked perfectly,very easy install,great quality and packaging.Highly recommend for your lower AR build.A nice kit if you are planning on using a custom fire control group "trigger, hammer,& springs.
Old First Sergeant –
Like many other builders, I've been using CMMG's Builders LPKs for several years. A few weeks back I stumbled across these on sale for about 30% less than I was paying for he CMMG LPKs, so I ordered four of them. When they arrived I was impressed, so I used them on two premium lower builds on Mega Arms receivers. Every part fit perfectly, and the finish is excellent+. I'm very pleased with the result.
freedombirdies –
I used this kit on an Aero Precision pistol build because the Aero LPKs were hard to find. I expected decent quality and that’s what this M&P kit delivers. The bolt catch is distinctively S&W, which is fine. Great parts at a great price.
Josh –
Safety selector was grainy and the safety selector detent was corroded. Once assembled, the selector sticks and won't turn over. I trimmed the selector spring a little to try and get the selector to turn over but it's still very grainy. I won't rely on something this sketchy in my LPK and now I'm stuck buying another kit from another company. I bought this kit thinking S&W had a good reputation, wth.
Joe –
Bolt catch broke off after 200rds. Would not depend on this kit in any capacity. Spend a bit more to get something reliable, because now Im stuck buying another bolt catch. It doesn't appear to be defective either, it just straight up is built with weak steel.
KicksLikeAhammer –
Everything fit with no problems. Everything fit with no problems. Everything fit with no problems. Everything fit with no problems. Everything fit with no problems. Everything fit with no problems. 2 thumbs up