Magpul Pro FSA - Fixed Stock Adapter
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Magpul
Overview
The Magpul Pro FSA is a fixed stock adapter designed to provide a robust and stable platform for your AR-15 build. Its fixed stock type enhances rigidity and ensures consistent alignment with the receiver, making it ideal for precision shooting and reliable performance. This adapter is commonly found in builds that prioritize stability and accuracy, particularly for designated marksman or long-range configurations.
Specifications
Frequently Built With
Based on build data
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Strike Industries Extended Bolt Catch
Bolt Catch
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown Pin
Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock AdapterBuild Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 106 |
| Strike Industries Extended Bolt Catch | Bolt Catch | 98 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 86 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 84 |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 80 |
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 77 |
| Platform | Percentage |
|---|---|
| AR-15 | 84.3% |
| AR-10 | 12.8% |
| AR-9 | 2.9% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 69.1% |
| .223 Wylde | 12.1% |
| 300 Blackout | 6.9% |
| .308 Win | 4.1% |
| 9mm | 1.4% |
| 7.62x39mm | 1.3% |
| 6.5 Grendel | 1.3% |
| 6mm ARC | 1.1% |
| .450 Bushmaster | 0.9% |
| .458 SOCOM | 0.5% |
| .223 Remington | 0.3% |
| .204 Ruger | 0.2% |
| .22 ARC | 0.2% |
| .224 Valkyrie | 0.2% |
| .45 ACP | 0.2% |
| 6.5 Creedmoor | 0.2% |
| 7.62x51 NATO | 0.2% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 48.4% |
| Carbine | 26.7% |
| Rifle | 14.4% |
| Pistol | 9.1% |
| Blowback | 1% |
| Proprietary | 0.2% |
| Intermediate | 0.2% |
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