6.5 Grendel GSR Complete Upper Assembly
Precision cut-rifled, 5R rifling, 1:8.75 fluted, free floated, stainless steel barrel. All barrels are threaded 9/16-24 RH. Direct impingement operating system. Beefy side-charging upper with extra thick walls to minimize flex with long, heavy barrels. The side charger allows a minimum of movement when firing from a concealed position. Standard build features our extended-length MK10 handguard, which is made of G10 composite material and vented to aid barrel cooling with the top vents offset from the sight line to minimize mirage. Ships with one 10-round magazine. Weight of 20-inch upper is 5.9 pounds. This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required).
Barrel Length - Please select a barrel length
Muzzle Upgrades - Please select a muzzle upgrade
Color Options - Select a Color Option. * Every effort has been made to accurately represent the colors shown. Colors may vary. 
Base Price: $1950.00
Selected Options: $0.00
Total Price: $1950.00
All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire.
Weight (may be approximate): 5.90 lb. / Each

Dimensions (LxWxH): 36.00 x 5.00 x 5.00 in.
Don't forget your ammunition and extra magazines! - This upper receiver assembly ships with one 10-round magazine. Visit the products below to add more to your order. Be sure to add MK10 rail sections for your handguard! We strongly recommend that you also add ammunition to your order instead of placing a separate order to avoid lengthy ammunition back-order situations.
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