Sr-30 Mod 2 Upper Receivers M-LOK - Sr-30 Upper Receiver 300BLK Mod 2 9.5'''' Urx 4 MLOK
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Knights Armament
Overview
The Knights Armament SR-30 Mod 2 Upper Receiver is a complete upper designed specifically for the 300 Blackout caliber, featuring a compact 9.5-inch barrel. This configuration allows for enhanced maneuverability while still delivering the performance needed for both suppressed and unsuppressed shooting. Builders looking to create a compact, versatile rifle often select this upper for their 300 Blackout builds.
Specifications
Sr-30 Mod 2 Upper Receivers M-LOK - Sr-30 Upper Receiver 300BLK Mod 2 9.5'''' Urx 4 MLOK
Build history on GunPartPicker
Builders have been adding the Knights Armament Sr-30 Mod 2 Upper Receivers M-LOK - Sr-30 Upper Receiver 300BLK Mod 2 9.5'''' Urx 4 MLOK to their builds on GunPartPicker since February 2026. All time, it ranks #620 of the 1,654 upper receivers builders have added.
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the builds that include this one
Knights Armament Company SR-30 IWS Complete Lower Receiver .300 Black
Trijicon MRO HD Red Dot Sight 68 MOA Reticle with 2.0 MOA Dot with Picatinny Lower 1/3 Co-Witness Mount Matte Black
True North Concepts Aluminum M-LOK GripStop K - Earth Brown
SureFire M640V Infrared Scout Light PRO Weapon Light - 350 Lumens - Tan
B.E. Meyers MAWL DA IR Illuminator and Pointing Laser w/ Green Visible Laser - Flat Dark Earth - LAW ENFORCEMENT ONLY
PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec - 24080
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