Atlas BT81 "Lil’ Brandi" | Sling Stud to Picatinny Rail Adapter — No Gunsmithing. No Drill. No Problem.
Mount smart. Shoot stable.
The Atlas BT81 Lil’ Brandi is the elegant, no-mod solution for adding a rock-solid 1913 Picatinny rail to your traditional rifle stock — no drilling, no stock damage, and zero disassembly required. Designed for precision shooters, hunters, and professionals who want the benefits of modern bipod mounting without altering their classic platforms.
Whether you’re running a bolt gun or lever-action rifle with a single front sling stud, Lil’ Brandi delivers rugged versatility in a compact package.
Product Overview
The Atlas BT81 provides:
- Three usable Picatinny slots for attaching Atlas Bipods or any 1913 rail-mounted accessory.
- Sling attachment capability, so you don’t sacrifice carry comfort for performance.
- Rubber-padded angular wings that conform to rounded fore-ends for a stable, non-marring fit.
- No gunsmithing required — installs in minutes using your existing sling stud and the included hardware.
Key Specs & Details
| Feature | Specification |
|---|---|
| Model | Atlas BT81 “Lil’ Brandi” |
| Material | 7075-T6 Aluminum |
| Finish | Mil-Spec Type III Class 2 Hardcoat Anodized |
| Mounting | Uses existing sling stud – No drilling required |
| Slots | 3 Picatinny rail slots |
| Weight | 0.89 oz |
| Dimensions | 1.95" x 1.5" x 0.663" |
| Compatibility | Traditional rifle stocks with front sling stud |
| Not Compatible | Flat-bottom stocks (see reference images) |
| Sling Support | Yes, integrated sling loop |
| Patent | Patent Pending |
| Made In | 🇺🇸 USA |
Why It’s a Game-Changer
🔸 Tool-less Compatibility – Mounts in minutes without removing your barreled action or altering your stock.
🔸 Perfect Fit on Curved Fore-Ends – Angular wings with rubber contact points preserve your finish while locking the mount in tight.
🔸 True Bipod Stability – Provides the strength and alignment needed for precision shooting under recoil.
🔸 Retain Sling Functionality – Don’t compromise carry for capability. Lil’ Brandi gives you both.
Installation Instructions Snapshot:
- Ensure firearm is unloaded.
- Tighten (or optionally epoxy) existing sling stud.
- Fit BT81 over stud with smooth face toward muzzle.
- Insert included cross pin into sling stud hole.
- Slide and seat BT81 until pin locks in place.
- Tighten set screw gently.
- Verify tightness before each use.
- To remove: back out the screw, tap BT81 gently forward with a non-marring mallet.
📌 Note: Do not use if rubber pads do not contact stock surface fully. For flat stocks or two-stud setups, use the BT15 or BT17 instead.
Perfect For:
Hunters wanting a quick bipod mount on a hunting rifle
Bolt-action rifle shooters who don’t want to drill into their stock
Retro rifle builds needing modern accessories without permanent mods
Field shooters demanding portable, modular mounting solutions
Final Verdict
The Atlas BT81 Lil’ Brandi is a minimalist’s dream and a gunsmith’s nightmare — no drilling, no hassle, just pure function. If you’ve ever wanted to attach a bipod or rail accessory to your classic rifle without turning it into a project gun, this is your answer. Strong, sleek, and brilliantly simple.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.
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