Description
Rampartguns is a Owensboro, KY-based retailer specializing in high-quality firearms components. The FRT-MR3 is a single-stage forced reset trigger designed specifically for the HK MR223 and HK MR556. This trigger offers precision and reliability, making it a top choice for serious firearms enthusiasts. Available now for $603.75.
Reviewed by Brett Lawson, Quality Lead at Rampartguns. 17 years in firearms QC, metallurgy background, hardness testing specialist.
Last updated: May 2026
| Product Type | Single-Stage Forced Reset Trigger |
|---|---|
| Material | High-Grade Steel |
| Manufacturing | CNC Machined |
| Finish | Black Oxide |
| Hardness/Quality | Rockwell C50 |
| Compatibility | HK MR223, HK MR556 |
| Installation/Usage | Drop-In |
| Weight | 2.5 oz |
| Dimensions | 2.75 x 1.25 x 0.5 inches |
| Country of Origin | USA |
| Condition | New |
| SKU | FRT-MR3 |
Key Features
- Precision-engineered for HK MR223 and HK MR556
- High-grade steel construction for durability
- CNC machined for consistent performance
- Black oxide finish for corrosion resistance
- Drop-in installation for ease of use
Who It’s For
Buy it if:
- You own an HK MR223 or HK MR556 and want a reliable forced reset trigger
- You value precision and durability in your firearms components
- You prefer a drop-in installation for ease of use
Skip it if:
- You don’t own an HK MR223 or HK MR556
- You’re looking for a budget option (see our Triggers for alternatives)
Pros & Cons
- ✅ Precision-engineered for HK MR223 and HK MR556
- ✅ High-grade steel construction for durability
- ✅ CNC machined for consistent performance
- ✅ Black oxide finish for corrosion resistance
- ✅ Drop-in installation for ease of use
- ❌ Higher price point compared to budget options
- ❌ Limited compatibility with only HK MR223 and HK MR556
Comparison
| Feature | FRT-MR3 | Cheap Import | Premium Brand |
|---|---|---|---|
| Material | High-Grade Steel | Low-Grade Steel | High-Grade Steel |
| Quality | CNC Machined | Cast | CNC Machined |
| Compatibility | HK MR223, HK MR556 | Universal | Universal |
| Shipping | Same-Day | 1-2 Weeks | Same-Day |
| Lifespan/Durability | Long | Short | Long |
| Price | $603.75 | $60-$80 | $250+ |
FAQ
Where can I buy FRT-MR3 online?
You can purchase the FRT-MR3 at Rampartguns (rampartguns.com).
How to get MR30 Warframe?
Reaching MR30 in Warframe requires extensive gameplay and mastery of various weapons and frames.
How to get MR30?
MR30 is achieved by mastering a significant number of items in Warframe.
How to get MR30 pin?
The MR30 pin is typically awarded through special promotions or events by the game developers.
How to get MR3 Warframe?
MR3 is an early milestone in Warframe, achieved by mastering a few weapons and frames.
How long to get MR30 Warframe?
The time to reach MR30 varies greatly depending on gameplay hours and efficiency.
FRT-MR3 vs FRT-15L3?
The FRT-MR3 is designed for HK MR223 and HK MR556, while the FRT-15L3 is for AR-15 platforms.
✅ Same-day shipping from Owensboro, KY
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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