How to Install a Picatinny Rail for an Atlas Bipod or Accu-Shot Monopod
To mount an Atlas bipod or Accu-Shot monopod, your rifle needs a Picatinny rail on the fore-end (for a bipod) or the stock toe (for a monopod), and installing one is a straightforward job with the right fasteners and torque. B&T makes rails (such as the BT15 and BT17) that attach to a rifle’s existing mounting holes or fore-end, giving you a standard Picatinny surface for an Atlas clamp. Watch the video for the walkthrough, then follow the written steps and torque guidance. If your rifle came without a rail, this guide shows how to add one so an Atlas can clamp on. It covers choosing the right rail, installing it with the correct fasteners and torque, and the alternative sling-stud path for hunting rifles. If your rifle already has a Picatinny fore-end rail or an M-LOK handguard, you may not need to install anything, and this guide points you to the right mounting path either way.
Watch: Installing a Picatinny rail
The video walks through installing a Picatinny rail on a rifle so an Atlas bipod or Accu-Shot monopod can mount. Follow along with your rail, the correct fasteners, and a torque wrench.
The written steps below mirror the video, with a note on where the torque values go once confirmed.
Do you need to install a rail at all?
Before installing anything, check what your rifle already has. Many rifles ship with a mounting surface, and adding a rail is only necessary when there is none where you need it.
Picatinny fore-end rail already present no install needed; clamp the Atlas on.
M-LOK handguard use an M-LOK Atlas or the BT70 adapter, no rail install.
Sling studs only the BT81 Lil’ Brandi is the quickest path, no gunsmithing.
Mounting holes or bare fore-end install a Picatinny rail (BT15, BT17, or a model made for your rifle).
How do you install the rail?
Installing a rail is about seating it square and fastening it to the correct torque so it holds under recoil without stressing the receiver or fore-end. The general process is below; the video shows the specifics for the rail and rifle demonstrated.
Confirm the firearm is unloaded and the muzzle is pointed in a safe direction, then clean the mounting holes or surface.
Position the rail so it sits square and fully seated on the mounting surface.
Start all fasteners by hand, then tighten evenly in the recommended sequence so the rail seats flat.
Torque the fasteners to the specified value (see the torque note below), and use thread-locker if the manufacturer recommends it.
How do you mount the bipod or monopod once the rail is on?
With the rail installed, mounting is quick. An Atlas bipod clamps to the fore-end rail with its standard clamp or the ADM-170-S quick-detach clamp; an Accu-Shot monopod clamps to a stock toe rail with its rail mount.
Confirm the bipod or monopod locks solid with no play before you shoot, and check the rail fasteners after your first range session to make sure nothing backed off. See the how-to-mount-a-bipod guide for the full mounting walkthrough.
Frequently Asked Questions
How do you install a Picatinny rail for a bipod?
Confirm the firearm is unloaded, clean the mounting surface, seat the rail square, start all fasteners by hand, then tighten evenly in sequence and torque to the specified value, using thread-locker if recommended. B&T rails like the BT15 and BT17 give an Atlas a standard Picatinny surface.
Do I need to install a rail to use an Atlas bipod?
Only if your rifle lacks a mounting surface. A Picatinny fore-end rail takes an Atlas directly, an M-LOK handguard uses an M-LOK Atlas or the BT70 adapter, and a sling-stud rifle uses the BT81 adapter. Install a full rail when your rifle has mounting holes but no rail.
What torque should I use on a bipod rail?
Use the fastener torque value specified for your rail and rifle, and thread-locker if the manufacturer recommends it. Too loose and the rail shifts under recoil; too tight and you can damage the receiver or fore-end. Follow the published spec rather than guessing.
Can I install a bipod rail without a gunsmith?
Often, yes, especially rails that attach to existing mounting holes, and the BT81 sling-stud adapter needs no gunsmithing at all. If your rifle requires drilling and tapping for a rail, that is a job for a gunsmith. Check what your rifle already offers first.
How do I mount the bipod after installing the rail?
Clamp the Atlas to the fore-end rail with its standard clamp or the ADM-170-S quick-detach clamp, or clamp an Accu-Shot monopod to a stock toe rail. Confirm it locks solid with no play, and recheck the rail fasteners after your first range session.
Add a rail, mount your Atlas
Check what your rifle already has, install the right rail square and to torque, then clamp on your Atlas. If you only have sling studs, the BT81 skips the rail install entirely. Browse Picatinny rails and adapters, or see the how-to-mount-a-bipod guide for the full mounting walkthrough.