Cmmg Ar-15 Mk3 Buffer Assembly
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CMMG
Overview
The CMMG AR-15 MK3 Buffer Assembly is a complete parts kit designed for builders looking to ensure reliable function and performance in their AR-15 builds. This assembly features a Mil-Spec buffer tube, which is compatible with a wide range of stocks and provides the necessary support for smooth operation, while the carbine buffer tube type is tailored for builds that prioritize compactness and maneuverability. You'll commonly find this buffer assembly in tactical and versatile builds where a standard carbine setup is preferred.
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 Flat Wire Spring for AR Carbine - AR-FWS-C
Buffer Spring
Strike Industries Cobra Billet Aluminum Trigger Guard - Red
Trigger Guard
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown PinBuild 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 | 72 |
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 71 |
| Expo Arms Ar-15 Carbine Buffer Spring - 17-7 Steel | Buffer Spring | 65 |
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | Buffer Spring | 58 |
| Strike Industries Cobra Billet Aluminum Trigger Guard - Red | Trigger Guard | 53 |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 53 |
| Platform | Percentage |
|---|---|
| AR-15 | 80.5% |
| AR-10 | 18.1% |
| AR-9 | 1.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 69.2% |
| .223 Wylde | 11.8% |
| 300 Blackout | 7.6% |
| .308 Win | 4.5% |
| .450 Bushmaster | 2.1% |
| 6mm ARC | 1.4% |
| .458 SOCOM | 1.4% |
| 6.5 Grendel | 1% |
| 7.62x39mm | 0.7% |
| .224 Valkyrie | 0.3% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 44.6% |
| Carbine | 28.7% |
| Rifle | 16.3% |
| Pistol | 10% |
| Intermediate | 0.4% |
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