MTN Gear 120mm Picatinny & ARCA Combo Rail (90mm Max Bolt Centres)
Built for the Modern Precision Hunting Rifle
Today’s hunting rifles are expected to do more than ever before.
Hunters regularly switch between:
✔ Tripod shooting
✔ Bipod shooting
✔ Prone positions
✔ Backpack hunting
✔ Long-range engagements
The MTN Gear 120mm Combo Rail provides a single mounting solution capable of supporting all of these shooting styles.
Whether you’re hunting Sambar in the Victorian High Country, glassing alpine basins or shooting steel at distance, this rail provides exceptional versatility.
Full-Length 120mm ARCA & Picatinny Integration
Unlike traditional rails that force shooters to choose between mounting systems, the MTN Gear Combo Rail incorporates:
ARCA Compatibility
and
Picatinny Compatibility
into a single integrated design.
Benefits include:
✔ Direct tripod mounting
✔ Bipod compatibility
✔ Faster transitions
✔ Reduced accessory clutter
✔ Maximum flexibility
This allows shooters to run their preferred support systems without additional adapters.
Why Choose the 120mm Version?
The longer 120mm profile provides significant advantages over shorter rails.
Benefits include:
✔ Greater balance adjustment
✔ Increased tripod mounting flexibility
✔ More bipod positioning options
✔ Improved rifle stability
✔ Better weight distribution
For precision hunting rifles and long-range shooting applications, the additional length provides a noticeable improvement in versatility.
Designed for Wider Bolt Spacing
The 120mm Combo Rail accommodates:
Up To 90mm Bolt Centres
Making it ideal for:
✔ Carbon fibre hunting stocks
✔ Long forend stocks
✔ Precision hunting rifles
✔ Custom rifle builds
✔ Premium hunting platforms
Suitable for many modern rifle systems including:
- Proof Research
- Tikka T3x
- Bergara
- Christensen Arms
- Remington 700 clones
- Custom hunting rifles
Always verify bolt spacing before ordering.
Direct ARCA Tripod Compatibility
The ARCA profile allows direct mounting to:
ARCA-Compatible Tripod Systems
Including:
✔ FatBoy Elevate
✔ FatBoy Traverse
✔ Really Right Stuff
✔ Aziak Tripod Systems
✔ Leofoto Tripods
✔ Two Vets Tripods
✔ Anvil-30 Ball Heads
Benefits include:
✔ Faster deployment
✔ Superior stability
✔ No additional adapters
✔ Better rifle balance
✔ Reduced overall system weight
For hunters who shoot regularly from tripods, ARCA is the preferred mounting standard.
Picatinny Bipod Compatibility
The integrated Picatinny section supports:
✔ Atlas CAL Bipods
✔ Atlas PSR Bipods
✔ MDT GRND-POD
✔ MDT CKYE-POD
✔ Accu-Tac Bipods
✔ Spartan adapters
✔ Picatinny accessories
This allows shooters to transition seamlessly between tripod and bipod shooting positions.
Ideal for Precision Hunting
The MTN Gear 120mm Combo Rail excels in:
Hunting Applications
✔ Sambar Hunting
✔ Red Deer Hunting
✔ Chital Hunting
✔ Pig Hunting
✔ Alpine Hunting
✔ Open Country Hunting
Precision Applications
✔ Long-Range Hunting
✔ Precision Rifle Training
✔ Steel Shooting
✔ Load Development
✔ Field Matches
Lightweight Aluminium Construction
Manufactured from:
Precision Machined Aluminium
Benefits include:
✔ Outstanding strength-to-weight ratio
✔ Corrosion resistance
✔ Reduced rifle weight
✔ Excellent durability
✔ Long service life
Built for harsh Australian and New Zealand hunting environments.
Why ARCA Has Become the Preferred Hunting Standard
Many serious hunters have moved from traditional sling stud mounting systems to ARCA.
Advantages include:
✔ Direct tripod attachment
✔ Better rifle balance
✔ Improved stability
✔ Faster setup
✔ More versatile positioning
When combined with Picatinny functionality, the result is one of the most capable rifle mounting systems available.
Key Features
✔ 120mm ARCA rail
✔ Integrated Picatinny interface
✔ Supports up to 90mm bolt centres
✔ Direct tripod compatibility
✔ Bipod compatible
✔ Precision machined aluminium
✔ Hard anodised finish
✔ Lightweight construction
✔ Designed for hunting rifles
✔ Ideal for precision hunting setups
✔ Compatible with ARCA and Picatinny accessories
Specifications
| Specification | Details |
|---|---|
| Product | MTN Gear 120mm Picatinny & ARCA Combo Rail |
| Length | 120mm |
| Maximum Bolt Centres | 90mm |
| Mounting Systems | ARCA & Picatinny |
| Material | Precision Machined Aluminium |
| Finish | Hard Anodised |
| Bipod Compatible | Yes |
| Tripod Compatible | Yes |
| Hardware Included | Yes |
| Intended Use | Hunting & Precision Rifles |
Ideal For
Hunting
✔ Sambar Deer
✔ Red Deer
✔ Fallow Deer
✔ Chital Deer
✔ Pig Hunting
✔ Alpine Hunting
Rifle Platforms
✔ Proof Research Elevation
✔ Proof Research Glacier
✔ Tikka T3x
✔ Christensen Arms
✔ Bergara B14
✔ Custom Precision Hunting Rifles
Accessories
✔ FatBoy Tripods
✔ Really Right Stuff Anvil-30
✔ Atlas Bipods
✔ MDT GRND-POD
✔ MDT CKYE-POD
What’s in the Box
• MTN Gear 120mm Picatinny & ARCA Combo Rail
• Mounting Hardware
• Installation Hardware
Why Buy From Delta Tactical
At Delta Tactical we specialise in lightweight hunting systems, premium tripods and precision shooting equipment.
When you purchase from us you receive:
✔ Genuine MTN Gear products
✔ Expert tripod and bipod setup advice
✔ Fast Australian shipping
✔ Local after-sales support
✔ Real-world hunting experience
Comparison Table: 120mm Combo Rail vs 57mm Combo Rail vs Standard Picatinny Rail
| Feature | 120mm Combo Rail | 57mm Combo Rail | Standard Picatinny Rail |
|---|---|---|---|
| ARCA Compatible | ✔ | ✔ | ✖ |
| Picatinny Compatible | ✔ | ✔ | ✔ |
| Tripod Mounting | ✔ | ✔ | ✖ |
| Bipod Compatibility | ✔ | ✔ | ✔ |
| Balance Adjustment | Outstanding | Excellent | Limited |
| Long Range Hunting | Outstanding | Excellent | Good |
| Precision Rifle Use | Outstanding | Excellent | Good |
| Mountain Hunting | Excellent | Outstanding | Excellent |
| Versatility | Outstanding | Excellent | Good |
Buyer’s Guide: Which MTN Gear Rail is Right for You?
Choose the 120mm Combo Rail if:
✔ You regularly shoot from a tripod
✔ You want maximum fore-end adjustment
✔ You use both bipods and tripods
✔ You hunt at extended distances
✔ You are building a precision hunting rifle
Choose the 57mm Combo Rail if:
✔ Weight is your primary concern
✔ You want ARCA compatibility in a smaller package
✔ You run a lightweight mountain rifle
Choose a Standard Picatinny Rail if:
✔ You only use a bipod
✔ Tripod shooting is not required
✔ Simplicity is the priority
For hunters and shooters running premium support systems, the MTN Gear 120mm Picatinny & ARCA Combo Rail is one of the most versatile and capable mounting solutions available.
Recommended Pairings
| Product | Ideal Pairing |
|---|---|
| MTN Gear 120mm Combo Rail | FatBoy Elevate Tripod |
| MTN Gear 120mm Combo Rail | FatBoy Traverse Tripod |
| MTN Gear 120mm Combo Rail | Really Right Stuff Anvil-30 |
| MTN Gear 120mm Combo Rail | Atlas CAL Bipod |
| MTN Gear 120mm Combo Rail | MDT CKYE-POD |
ARCA vs Picatinny Selector Guide
| Your Shooting Style | Recommended Mounting System |
|---|---|
| Primarily Bipod Shooting | Picatinny |
| Primarily Tripod Shooting | ARCA |
| Hunting & Long Range Combined | ARCA + Picatinny Combo |
| Mountain Hunting | ARCA + Picatinny Combo |
| Precision Hunting | ARCA + Picatinny Combo |
| PRS Training | ARCA + Picatinny Combo |
The MTN Gear 120mm Picatinny & ARCA Combo Rail is the ideal choice for hunters who want one mounting solution capable of handling every shooting position, support system and hunting environment they may encounter.

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