6.5 Grendel GDMR Complete Upper Assembly
The GDMR (Grendel Designated Marksman Rifle) features a precision cut-rifled, 5R rifled, fluted barrel measuring 20 or 24 inches, and 9/16-24 TPI RH threaded barrel with standard A2-style flash hider installed. Standard build features a Midwest Industies G3 M-LOK handguard (15" for a 20" barrel, 18" for a 24" barrel). Direct impingement operating system. Cerakoted in a color of your choice. Both barrel length options feature a 1:8.75 twist. This upper receiver assembly ships with one 10-round magazine. Weight of 20-inch upper is 5.4 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

Weight and size dimensions are measured with the 20-inch barrel.

All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire.

Weight (may be approximate): 5.40 lb. / Each

Dimensions (LxWxH): 27.00 x 3.00 x 3.00 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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