Cmmg Ar-15 Fastback Receiver Extension Mil-Spec
Click to see full view
CMMG
Overview
The CMMG AR-15 Fastback Receiver Extension is a Mil-Spec buffer tube designed for reliable performance in your build. As a tube-only assembly, it provides the essential structure for housing your buffer and spring, ensuring proper cycling in your AR-15 platform. This component is often found in builds chambered for .308 Win, making it a practical choice for those looking to enhance their precision rifle setup.
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 | 73 |
| Expo Arms Ar-15 Carbine Buffer Spring - 17-7 Steel | Buffer Spring | 67 |
| Strike Industries Cobra Billet Aluminum Trigger Guard - Red | Trigger Guard | 60 |
| 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 | 79.4% |
| AR-10 | 18.2% |
| AR-9 | 2.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 67.2% |
| .223 Wylde | 11.6% |
| 300 Blackout | 7.8% |
| .308 Win | 4.7% |
| .450 Bushmaster | 2.2% |
| 6mm ARC | 1.9% |
| 9mm | 1.3% |
| 6.5 Grendel | 1.3% |
| .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 | 45.1% |
| Carbine | 27.1% |
| Rifle | 17.2% |
| Pistol | 9.9% |
| Blowback | 0.4% |
| Intermediate | 0.4% |
No reviews yet. Be the first to review this product!