The Atlas Bipod BT20 AAIS 1913 Rail Set is the three-piece 1913 rail option for the BT19 Accuracy International spigot — fit it and any two-screw or lever-mount Atlas bipod can run on the AI spigot system, not just NC models.
How It Compares
Requires the BT19 AAIS spigot. Need just the bottom rail? The BT20-B. Browse all bipods & monopods and the full B&T Industries range.
Ideal For
- Running two-screw or lever-mount Atlas bipods on AI spigots
- BT19 owners adding rail flexibility
Key Features
- Genuine B&T Industries Atlas accessory
- Set of 3 rails for the BT19 spigot
- Enables all 2-screw and lever mount bipods
Technical Specifications
| Type |
1913 rail set (3) for BT19 AAIS |
| Fits |
BT19 Accuracy International spigot |
| Brand |
B&T Industries, LLC (USA) |
| SKU / MPN / UPC |
BT20 / BT20 / 810040220258 |
What's Included
- 3× 1913 rails for BT19 with fixings
UK Delivery & Support
This Atlas accessory is dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based aftersales support.
Frequently Asked Questions
Do I need the BT19 as well?
Yes — the BT20 rail set mounts onto the BT19 spigot; it does nothing on its own.
BT20 or BT20-B?
The BT20 is the full 3-rail set; the BT20-B is the bottom rail only, with blind threaded holes for adaption work.
