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Sig Sauer
Overview
The SIG Sauer MCX Stock Adapter Kit is designed to allow builders to attach a standard carbine stock to their MCX platform. This adapter is compatible with Mil-Spec buffer tubes, ensuring a secure fit and reliable operation. It’s particularly well-suited for builds featuring a mid-length gas system and chambered in 5.56 NATO, making it a popular choice for those looking to enhance their rifle's versatility and ergonomics.
Based on build data

Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C

Geissele Automatics Premium Mil-Spec Buffer Tube Assembly With Super 42 H3 - Ddc

Fortis Light Weight K1 Castle Nut and End Plate Black, Flat Dark Earth - LEBLKK1FDE

CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B

Strike Industries Extended Bolt Catch

Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | 38 | |
| Geissele Automatics Premium Mil-Spec Buffer Tube Assembly With Super 42 H3 - Ddc | 27 | |
| Fortis Light Weight K1 Castle Nut and End Plate Black, Flat Dark Earth - LEBLKK1FDE | 23 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 22 | |
| Strike Industries Extended Bolt Catch | 22 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 21 |
| Platform | Percentage |
|---|---|
| AR-15 | 80% |
| AR-10 | 16% |
| AR-9 | 4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 75% |
| 300 Blackout | 18.8% |
| .458 SOCOM | 6.3% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 58.3% |
| Carbine | 25% |
| Pistol | 16.7% |
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