Description
The DoubleStar RH Sling Adapter End Plate (JT345R) is a straightforward upgrade that turns the back of your AR-15 into a dedicated single-point sling mount. It replaces the plain factory receiver end plate on a mil-spec collapsible stock setup, adding a steel loop that your clip-on or single-point sling hooks right into. No drilling, no adapters hanging off the buffer tube, just a clean part that does one job and does it well.
This is the right-hand (RH) version, which features a single loop and is built for right-handed shooters. One thing worth knowing: the RH plate mounts with the loop positioned on the left side of the receiver, which keeps the sling out of your way when the rifle is shouldered on your strong side. If you want a sling point on both sides, DoubleStar also makes an ambidextrous version, but this one keeps things simple and low-profile for a right-handed build.
What Sets the JT345R End Plate Apart
DoubleStar machines this plate from 1018 carbon steel, so it holds up to the kind of yanking and shifting a single-point sling puts on a mount. The manganese phosphate Parkerized finish resists abrasion and corrosion and blends in nicely with the matte look of mil-spec anodized receivers. It is a small part, but it is built like it belongs on a hard-use rifle.
Fitting the RH Sling Adapter Plate to Your Build
Installation is a receiver-extension job, so plan on pulling the stock to get it done. You will loosen the castle nut, back off the buffer tube enough to slide the old plate off, then drop this one in its place and torque everything back down. Keep an eye on the takedown pin detent and spring hiding behind the plate so they don't go flying. Most folks knock it out in well under ten minutes with a castle nut wrench, and staking the nut afterward is a smart move for a sling mount that sees real use.
This plate is designed for AR-15, M16, and M4 pattern rifles and clones running a standard carbine collapsible stock. It is not intended for A2-style fixed rifle stocks.
Key Specifications
- Manufacturer: DoubleStar
- Manufacturer Part Number (MPN): JT345R
- UPC: 841348100478
- Hand: Right-Handed (RH)
- Configuration: Single Loop Sling Point
- Material: 1018 Carbon Steel
- Finish: Manganese Phosphate Parkerized, Matte Black
- Color: Black
- Style: Rifle Sling Adapter / Receiver End Plate
- Platform: AR-15 / M16 / M4 and clones
- Stock Compatibility: Mil-spec collapsible/CAR carbine stocks (not A2 fixed)
- Sling Type: Clip-on / single-point slings
What’s Included
- DoubleStar RH Sling Adapter End Plate (JT345R)
Frequently Asked Questions
What does the RH designation mean on this sling adapter plate?
RH stands for right-handed, meaning it is set up for a right-handed shooter. The single sling loop ends up positioned on the left side of the receiver when installed, which keeps the sling clear of your body when the rifle is shouldered on your strong side. If you want a loop on both sides, DoubleStar offers a separate ambidextrous version.
How do I install the DoubleStar RH sling adapter end plate?
It replaces your existing receiver end plate, so you will need to loosen the castle nut and back off the buffer tube with a castle nut wrench. Slide the old plate off, drop this one in its place, then retighten the buffer tube and torque the castle nut. Watch for the takedown pin detent and spring tucked behind the plate, and staking the castle nut afterward is a good idea for a sling mount.
Will this end plate fit my rifle?
It is built for AR-15, M16, and M4 pattern rifles and clones running a standard mil-spec collapsible carbine stock. It is not designed for A2-style fixed rifle stocks. As long as your build uses a standard buffer tube and castle nut, this plate drops right in.
What is this sling adapter plate made of?
DoubleStar machines it from 1018 carbon steel for strength and a precise fit. It wears a manganese phosphate Parkerized finish that resists abrasion and corrosion and matches the look of mil-spec anodized receivers.




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