Double Star Mil-Spec Buffer Tube Assembly
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DoubleStar
Overview
The Double Star Mil-Spec Buffer Tube Assembly is designed for carbine-length setups, featuring a Mil-Spec buffer tube that fits standard components for reliable performance. Made from aluminum, this assembly provides the structural integrity needed for smooth cycling in your AR-15. This buffer tube assembly is commonly found in builds utilizing a carbine gas system and chambered in 5.56 NATO, making it a solid choice for a wide range of applications.
Specifications
Frequently Built With
Based on build data
Strike Industries Extended Bolt Catch
Bolt Catch
Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock Adapter
Expo Arms Ar-15 Carbine Buffer Spring - 17-7 Steel
Buffer Spring
Strike Industries Cobra Billet Aluminum Trigger Guard - Red
Trigger Guard
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown Pin
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C
Buffer SpringBuild 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 |
|---|---|---|
| Strike Industries Extended Bolt Catch | Bolt Catch | 82 |
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 74 |
| Expo Arms Ar-15 Carbine Buffer Spring - 17-7 Steel | Buffer Spring | 68 |
| Strike Industries Cobra Billet Aluminum Trigger Guard - Red | Trigger Guard | 61 |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 59 |
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | Buffer Spring | 57 |
| Platform | Percentage |
|---|---|
| AR-15 | 79.5% |
| AR-10 | 18.1% |
| AR-9 | 2.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 67.2% |
| .223 Wylde | 11.8% |
| 300 Blackout | 7.7% |
| .308 Win | 4.6% |
| .450 Bushmaster | 2.2% |
| 6mm ARC | 1.9% |
| 9mm | 1.2% |
| 6.5 Grendel | 1.2% |
| .458 SOCOM | 0.6% |
| 7.62x39mm | 0.6% |
| .22 ARC | 0.3% |
| .22 LR | 0.3% |
| .224 Valkyrie | 0.3% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 45.5% |
| Carbine | 26.9% |
| Rifle | 17.1% |
| Pistol | 9.8% |
| Blowback | 0.4% |
| Intermediate | 0.4% |
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