Sprinco Usa Spring Kit- Enhanced Buffer & 4-Coil Bolt Extractor Spring
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Spro USA
Overview
The Sprinco USA Spring Kit features an enhanced buffer spring designed for the AR-15 platform, ensuring smoother operation and improved reliability during cycling. The included 4-coil bolt extractor spring provides additional tension, optimizing the extraction process and reducing the likelihood of failures. This spring kit is commonly found in builds utilizing a rifle gas system and chambered in .308 Win, making it a suitable choice for those looking to enhance performance in larger caliber setups.
Specifications
Frequently Built With
Based on build data
Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock Adapter
Strike Industries Extended Bolt Catch
Bolt Catch
Strike Industries Cobra Billet Aluminum Trigger Guard - Red
Trigger Guard
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown Pin
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging HandleBuild 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 |
|---|---|---|
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 71 |
| Strike Industries Extended Bolt Catch | Bolt Catch | 67 |
| Strike Industries Cobra Billet Aluminum Trigger Guard - Red | Trigger Guard | 49 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 48 |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 47 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 46 |
| Platform | Percentage |
|---|---|
| AR-15 | 80.8% |
| AR-10 | 17.7% |
| AR-9 | 1.5% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 66.9% |
| .223 Wylde | 13.2% |
| 300 Blackout | 7.1% |
| .308 Win | 4.5% |
| .450 Bushmaster | 2.3% |
| 6mm ARC | 1.9% |
| .458 SOCOM | 1.1% |
| 7.62x39mm | 1.1% |
| 6.5 Grendel | 1.1% |
| 9mm | 0.4% |
| .224 Valkyrie | 0.4% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 44.1% |
| Carbine | 27.9% |
| Rifle | 17.5% |
| Pistol | 9.2% |
| Blowback | 0.4% |
| Intermediate | 0.4% |
| Proprietary | 0.4% |
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