

Click to see full view
CMMG
Overview
The CMMG Upper Pins and Springs Parts Kit is designed specifically for AR-15 builds chambered in 5.56 NATO, providing essential components for proper assembly and function. This kit includes all necessary pins and springs to ensure that your upper receiver operates smoothly and reliably, which is critical for maintaining accuracy and performance in your firearm. You’ll commonly find this parts kit in various AR-15 builds focused on reliability and consistent performance.
No Available merchants at this time.
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 HandleAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 72 |
| Strike Industries Extended Bolt Catch | Bolt Catch | 67 |
| Strike Industries Cobra Billet Aluminum Trigger Guard - Red | Trigger Guard | 50 |
| 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 | 80.9% |
| AR-10 | 17.6% |
| AR-9 | 1.5% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 66.8% |
| .223 Wylde | 13.4% |
| 300 Blackout | 7.1% |
| .308 Win | 4.5% |
| .450 Bushmaster | 2.2% |
| 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 | 44.3% |
| Carbine | 27.8% |
| Rifle | 17.4% |
| Pistol | 9.1% |
| Blowback | 0.4% |
| Intermediate | 0.4% |
| Proprietary | 0.4% |
No reviews yet. Be the first to review this product!