STERN DEFENSE 9MM UPPER 8.5" BBL 10" M-LOK RAIL Conversion Kits Precision-machined from high-strength aerospace steel

Precision-machined from high-strength aerospace steel alloy and coated with a durable

CCI's A17 17 HMR 17gr Varmint ammunition is specially designed for optimal performance in A17 rifles

Quantity: 200 rounds per pack

The fully floated barrel design promotes accuracy

Upgrade your AR10 platform with the Faxon 18" 6

STERN DEFENSE 9MM UPPER 8.5" BBL 10" M-LOK RAIL Conversion Kits Precision-machined from high-strength aerospace steelThe STERN DEFENSE 9MM Upper with an 8. 5" barrel and 10" M LOK rail offers an ideal combination of performance and maneuverability for your AR 15 platform. This complete upper features an 8. 5" 9mm barrel with a 1: 10 twist rate, optimized for accuracy and reliability. The free float 10" M LOK handguard provides extensive space for accessories while maintaining a streamlined profile. The upper includes a Glock compatible bolt carrier group and an