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Daniel Defense built its name on rifles that hold up under hard use, and this lower parts kit brings that same reputation down to the small stuff. It's a complete package for a stripped AR-15 lower in .223 Rem or 5.56 NATO, meaning you get the fire control group along with every pin, spring, and detent needed to finish the build. Everything is finished in black and made right here in the USA, so you're not piecing together mystery parts from three different bins.
A lot of so-called mil-spec kits cut corners on the parts you never see. This one leans the other way. You get an ambidextrous SOPMOD safety selector, a genuine Daniel Defense pistol grip, and a Magpul enhanced polymer trigger guard in place of the old flat mil-spec version. Worth knowing up front: catalog photos on a lot of listings show a plain A2 grip, but the box ships with the upgraded DD grip and the ambi selector. Folks who've built with it consistently mention the fit and finish feel a cut above the budget kits, and the springs have a quality feel that matters more than most people realize.
The kit includes a printed diagram, which is a nice touch if this is your first lower assembly. The trigger is a standard semi-auto unit with a clean break, and the whole thing drops into a quality forged mil-spec receiver without drama. Daniel Defense does note that some lowers from lesser-known makers can run out of spec, so pairing this kit with a reputable receiver is the way to go. Roll pins and detents are always the fiddly part of any lower build, so a proper punch set and a little patience go a long way.
Whether you're finishing a fresh build or refreshing a rifle that's seen some rounds, this is a kit you can trust to run and keep running.
No, and this trips up a lot of buyers. While many product photos show a standard A2 grip, the kit actually ships with the genuine Daniel Defense pistol grip and an ambidextrous SOPMOD safety selector. Consider it an upgrade over what's pictured on most listings.
It's a complete lower parts kit. You get the full fire control group, including the hammer, trigger, disconnector, and all the springs, along with every pin and detent needed to finish a stripped lower. You'll still need a lower receiver, buffer tube assembly, and stock to build a full rifle.
It's designed to work with a wide range of mil-spec forged receivers and fits quality lowers without issue. Daniel Defense does note that some receivers from lesser-known makers run out of spec, which can cause fitment headaches with pins and detents. Pairing this kit with a reputable forged lower is the safest bet.
Yes. The kit includes a printed assembly diagram, which is genuinely helpful if you've never dropped in a fire control group before. A proper roll pin punch set and a bit of patience with the detent springs will make the whole job go smoothly.
| UPC | 815604010160 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 05-013-21007 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Color | Black |
| Length | 4 |
| Package Height | 4.0 |
| Package Width | 4.0 |
| Product Type | Accessory-Kits |
| Shipping Weight | 0.7000000000000001 |
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