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6.5 Grendel SBR

6.5 Grendel SBR


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


SKU: SBR-65 Category:

This Upper Features:

- 11.5" Barrel
- 1:8 Twist
- Threaded 5/8-24RH
- Thread Protector
- Standard Charging Handle
- LAR Alexander Arms® Branded Hand Guard
- Black Anodized Finish
- One 10-round magazine


This upper receiver assembly is intended for use with a registered SBR or class III lower receiver.

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

Additional information

Weight 3.4 lbs
Dimensions 20 × 3 × 3 in


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