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Primary Arms
Overview
The Primary Arms SLx 3X Micro Magnifier is designed to enhance your sighting capabilities by providing a 3X magnification, allowing for better target acquisition and precision at extended distances. Its micro size ensures that it remains lightweight and compact, making it easy to integrate into your existing setup without adding unnecessary bulk. This magnifier is commonly found in builds that prioritize versatility and performance in both close-quarters and mid-range engagements.
Based on build data

Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock Adapter
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C
Buffer Spring
Radian Forward Assist - 7075 Aluminum - Black
Forward Assist
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas BlockAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 31 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 27 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 27 |
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | Buffer Spring | 23 |
| Radian Forward Assist - 7075 Aluminum - Black | Forward Assist | 21 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 21 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.4% |
| AR-10 | 10.3% |
| AR-9 | 1.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 69.4% |
| .223 Wylde | 14.2% |
| 300 Blackout | 4.5% |
| .308 Win | 4.5% |
| 9mm | 1.5% |
| .450 Bushmaster | 1.5% |
| 6.5 Grendel | 1.5% |
| .223 Remington | 0.7% |
| .458 SOCOM | 0.7% |
| 6mm ARC | 0.7% |
| 7.62x51 NATO | 0.7% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 53.8% |
| Carbine | 22.6% |
| Rifle | 17.9% |
| Pistol | 5.7% |
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