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Little parts add up fast on a rifle build, and the rear endplate is one of those spots where a few grams here and there make a real difference over a long day of carry. Radian's Ultralight QD Endplate weighs in at roughly 6.5 grams, which is noticeably lighter than the standard steel plates most rifles ship with, and it still gives you a rock-solid rear quick-detach point for your sling. It's machined from billet aluminum with a press-fit titanium QD sling swivel cup, so you're getting Radian's usual attention to fit and finish in a part that plenty of folks overlook.
The titanium swivel cup is the real story here. Titanium takes the wear from a metal QD swivel repeatedly clicking in and out far better than aluminum would, so the socket holds up over the long haul while keeping the whole assembly featherweight. The cup accepts any standard push-button QD sling swivel, which means you can run whatever single-point or two-point setup you already like. The aluminum body wears a Mil-Spec Type III hardcoat anodized finish in black, keeping it corrosion resistant and low on glare.
This plate is compatible with both Mil-Spec and commercial carbine buffer tubes, so it drops into the vast majority of AR-15 and M16 pattern lowers. Installation is the same process as any endplate swap: pull the castle nut, slide the old plate off, seat this one, then torque the castle nut back down. Worth noting that a castle nut is not included, so plan to reuse yours or grab one if you're building from scratch. A tip from the field is to snap your QD swivel into the cup before final torque so you can confirm clearance and orientation.
If you're chasing a lightweight competition build or just want to trim carry weight on a duty or range gun, this is a smart, low-cost upgrade to a part that usually gets ignored. It's American made and backed by Radian's reputation for parts that just work.
No, a castle nut is not included with this endplate. You can reuse the castle nut already on your rifle, or pick one up separately if you're starting a fresh build. The plate itself ships with the titanium QD swivel cup already press-fit and ready to go.
It's compatible with both Mil-Spec and commercial carbine buffer tubes, so it works with the vast majority of AR-15 and M16 pattern lowers. If you're running a fixed A1 or A2 stock rather than a carbine receiver extension, an endplate swap like this won't apply.
The titanium cup accepts any standard push-button QD sling swivel. That means you can run single-point or two-point slings using QD hardware you likely already own. A handy trick is to snap your swivel in before final torque to double-check clearance and fit.
Titanium stands up to the repeated wear of a metal QD swivel clicking in and out far better than aluminum would. That keeps the socket tight and reliable over years of use while the aluminum body keeps overall weight down to around 6.5 grams. It's the kind of detail that separates a premium endplate from a bargain one.
| UPC | 817093020774 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | R0078 |
| Color | Black |
| Length | 11.5 |
| Model | |
| Package Height | 0.3 |
| Package Width | 3.2 |
| Product Type | Accessory-Parts |
| Shipping Weight | 0.02 |
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