---
product_id: 70551684
title: "BridgeMount Rail Tactical Picatinny Cantilever .5\" Riser, 13.78\" Long, 34 Slots, Complete with Steel Nut and Thumb Bolt, BM3405EXBT, Black"
brand: "lion gears"
price: "$102"
currency: NZD
in_stock: true
reviews_count: 8
category: "Lion Gears"
url: https://www.desertcart.nz/products/70551684-bridgemount-rail-tactical-picatinny-cantilever-5-riser-13-78-long
store_origin: NZ
region: New Zealand
---

# 13.78" length for versatile mounting Steel nut & thumb bolt for rock-solid lock 34 precision slots for custom setups BridgeMount Rail Tactical Picatinny Cantilever .5" Riser, 13.78" Long, 34 Slots, Complete with Steel Nut and Thumb Bolt, BM3405EXBT, Black

**Brand:** lion gears
**Price:** $102
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your gear game with precision and power — don’t settle for less!

## Quick Answers

- **What is this?** BridgeMount Rail Tactical Picatinny Cantilever .5" Riser, 13.78" Long, 34 Slots, Complete with Steel Nut and Thumb Bolt, BM3405EXBT, Black by lion gears
- **How much does it cost?** $102 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/70551684-bridgemount-rail-tactical-picatinny-cantilever-5-riser-13-78-long)

## Best For

- lion gears enthusiasts

## Why This Product

- Trusted lion gears brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Cut-to-Fit Customization:** Easily trim length to your exact needs—perfect for precision shooters who demand a tailored setup.
- • **Flexible Cantilever Design:** 0.5" riser with 34 slots offers expansive, customizable mounting space for all your optics and accessories.
- • **Robust Steel-to-Steel Locking:** Thumb bolt and locking nut plate deliver a secure, vibration-resistant hold under any conditions.
- • **See-Thru Picatinny/Weaver Base:** Optimized for seamless compatibility and quick accessory swaps without losing zero.
- • **Precision Engineered for Tactical Mastery:** Aircraft-grade aluminum with hard anodizing ensures unmatched durability and tight tolerances.

## Overview

The Lion Gears BridgeMount Rail Tactical Picatinny Cantilever is a 13.78" long, 0.5" riser rail featuring 34 precision-machined slots. Crafted from aircraft-grade aluminum with hard anodizing, it offers a lightweight yet ultra-durable platform. Its steel nut and thumb bolt locking system ensures a secure, vibration-resistant fit, while the see-thru Picatinny/Weaver base provides versatile mounting options. Designed for tactical flexibility and custom fit, this rail is ideal for professionals seeking a reliable, adaptable solution for scope and accessory mounting.

## Description

Lion Gears BridgeMount Rail Tactical Picatinny Cantilever .5" Riser, 13.78" Long, 34 Slots

Review: Great mount to save your sanity. Clamp this on two small ones to have a full rail . - This rail solved a ten year problem for me. I wanted a full picatinny rail at least 8-10 inches long so I could use a one piece scope mount on my bolt action rifle but all they made was a two piece drop in front pin and rotate the rear and lock it down rings & mounts. Then I came across a two piece picatinny rail mounts but I still had a problem. The ejection port opening was still too long for a one piece mount with rings . Then I started to look for a long picatinny rail to clamp onto those two little rails but still had another problem. The rail slots on the two individual mounts didn't have the correct overall spacing if you put another rail next to the two little ones. The spacing was off about 1/8" of an inch so the locking cross bars under the rail mount wouldn't fit into the two so I was still stuck until I finally found this rail. It has tons of adjustable space for anything you have and the many adjustment is at the rear. The rear locking cross bar slides. You set the rear of the mount about where it needs to be and drop the front cross bar into place and finger tighten the nut. Then slide the rear until it falls down into a slot in the rear and tighten. Make sure that the mount atheist rear locking bar is slid all the way forward on the bottom mount before tightening. It's a tight fight when your done. Make sure to use blue locking and let it cure for at least 24 hours. Great mount. If it's to long just cut it down where it's right for you and use a flapper wheele or drimmel tool on it to smooth the edges and paint the end if you want. This mount saved me from a nightmare situation. Thanks.
Review: Perfect for Remington 1100 scope mount - Perfect choice for the job. Use your brain and don’t over tighten the bolts. Use a torque screwdriver. Added the right amount of space to mount a scope on a Remington 1100 slug barrel.

## Features

- System oriented design with under the rail opening-build a flexible and compact mounting System
- Robust and lightweight design with steel-to-steel connection between thumb bolt and locking nut plate
- Precision Machined solid aircraft grade aluminum with hard Anodizing for tight tolerance and durability
- See-thru design with Pica tinny/Weaver mounting base

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071NV6NKJ |
| Best Sellers Rank | #127,940 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #214 in Airsoft Gun Scope Mounts |
| Brand Name | Lion Gears |
| Color | Black |
| Country of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (162) |
| Date First Available | May 10, 2017 |
| Hand Orientation | Left/Right |
| Included Components | Aluminum BridgeMount® Mount |
| Item Package Dimensions L x W x H | 14 x 2 x 0.01 inches |
| Manufacturer | Lion Gears Inc. |
| Material | Aluminum |
| Model Name | Hunting Club/Shooters Club/Bear Hunt/Wild Hunter |
| Number of Items | 1 |
| Package Weight | 0.01 Kilograms |
| Part Number | BM3405EXBT |
| Size | .5"/13.78" |
| Suggested Users | unisex-adult |
| Warranty Description | Product with trade mark |

## Images

![BridgeMount Rail Tactical Picatinny Cantilever .5" Riser, 13.78" Long, 34 Slots, Complete with Steel Nut and Thumb Bolt, BM3405EXBT, Black - Image 1](https://m.media-amazon.com/images/I/61nQeVWBZjL.jpg)

## Questions & Answers

**Q: will this fit a mini 14**
A: This item design for weaver/picatinny rail, base in 8 inch long with 1 inch distance between each screw holes. If you have weaver/picatinny rail on the top, this mount will fit. Otherwise, will not fit on mini 14.  Hope this answer will help you. Feel free to let us know if you have other question. Thank you.

**Q: is the rail sturdy enough for high caliber rifles, i.e. 30-06?**
A: This rail is full base for weaver/picatinny rail, with steel screw and steel screw nuts. There is no issue with 30-06 rifle.

**Q: Item weight?**
A: Just over 5 1/2 ounces.

**Q: would the base fit the top rail of a mac 10 side cocker?**
A: It fits on an existing picatinny rail

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great mount to save your sanity. Clamp this on two small ones to have a full rail .
*by C***. on May 30, 2021*

This rail solved a ten year problem for me. I wanted a full picatinny rail at least 8-10 inches long so I could use a one piece scope mount on my bolt action rifle but all they made was a two piece drop in front pin and rotate the rear and lock it down rings & mounts. Then I came across a two piece picatinny rail mounts but I still had a problem. The ejection port opening was still too long for a one piece mount with rings . Then I started to look for a long picatinny rail to clamp onto those two little rails but still had another problem. The rail slots on the two individual mounts didn't have the correct overall spacing if you put another rail next to the two little ones. The spacing was off about 1/8" of an inch so the locking cross bars under the rail mount wouldn't fit into the two so I was still stuck until I finally found this rail. It has tons of adjustable space for anything you have and the many adjustment is at the rear. The rear locking cross bar slides. You set the rear of the mount about where it needs to be and drop the front cross bar into place and finger tighten the nut. Then slide the rear until it falls down into a slot in the rear and tighten. Make sure that the mount atheist rear locking bar is slid all the way forward on the bottom mount before tightening. It's a tight fight when your done. Make sure to use blue locking and let it cure for at least 24 hours. Great mount. If it's to long just cut it down where it's right for you and use a flapper wheele or drimmel tool on it to smooth the edges and paint the end if you want. This mount saved me from a nightmare situation. Thanks.

### ⭐⭐⭐⭐⭐ Perfect for Remington 1100 scope mount
*by A***D on January 17, 2026*

Perfect choice for the job. Use your brain and don’t over tighten the bolts. Use a torque screwdriver. Added the right amount of space to mount a scope on a Remington 1100 slug barrel.

### ⭐⭐⭐⭐⭐ Works great!
*by G***S on February 25, 2025*

What flex are people complaining about???

## Frequently Bought Together

- Lion Gears BridgeMount Rail Tactical Picatinny Cantilever .5" Riser, 13.78" Long, 34 Slots, Complete with Steel Nut and Thumb Bolt, BM3405EXBT, Black
- Lion Gears Tactical Extended Long Rail Cantilever Mount 0.5" Riser with 25 Slots BM2505EX

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-19*