6.5 Grendel 18" Hunter Complete Upper Assembly
6.5 Grendel 18" Hunter Upper Features:

- 18" Barrel
- 1:7.5 inch twist
- 5/8-24RH Threading
- Thread Protector Included
- Tacstar Carbon Fiber Handguard
- Ambidextrous Charging Handle
Direct impingement operating system
- Black Finish
- One 10-round magazine
- Weight is 5 lbs


This unit is 100% complete and is compatible with any standard-specification lower receiver (no modifications required). 

All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.


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

Approx Weight: 5.00 lb. / Each
Dimensions (LxWxH): 26.00 x 3.00 x 3.00 in.
Don't forget your ammunition and extra parts! - This upper receiver assembly ships with one 10-round magazine. Visit the products below to add more to your order. If you are choosing the MK10 handguard upgrade, 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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