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Sightmark
Overview
The Sightmark XTM-3 3x18mm Magnifier is designed to enhance your sight picture with a 3X magnification, allowing for greater target acquisition and accuracy at range. Its full-size design provides a stable platform, making it an ideal addition for those looking to optimize their optics setup. This magnifier is commonly found in builds featuring a mid-length gas system and chambered in 5.56 NATO, catering to those who require versatility and performance in their shooting applications.
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% |
Builds in the community that include the Sightmark XTM-3 3x18mm Magnifier - SM19065
| Build | Parts | Total |
|---|---|---|
![]() | 28 | $1713.12 |
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