Alexander Arms 6.5 Grendel Incursion Upper Kit - 16"

Manufactured by Alexander Arms
SKU: KIT6516
MPN: KIT6516
Manufactured by Alexander Arms
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Standard orders will ship out in 1 business days or less if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination. NFA items will take longer to ship and are dependent upon ATF processing times.

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Magazines considered High Capacity are controlled by the ATF and/or local jurisdictions are not available for purchase/shipment in all areas.



The Alexander Arms upper kit is the perfect option for shooters looking for a durable, lightweight, and easy-to-install parts kit. This upper receiver kit comes with everything you need to convert your standard AR-15 to fire the higher powered 6.5 Grendel cartridge. This round is great for long range precision shooting and offers a ton of different loads for hunting easily turning your AR-15 into a versatile ranch rifle.

  • Stainless Steel 16 inch barrel
  • Flat top upper receiver
  • Chambered in 6.5 Grendel
  • Low profile gas block .875
  • Threaded 5/8x24
  • Mid-length gas tube
  • Standard charging handle
  • Includes BCG and one 10 round magazine
  • Does not include handguard or muzzle device
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Barrel ContourLightweight
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandAlexander Arms
Caliber Gauge6.5 Grendel
Gas System LengthMid-Length
Gas System TypeDirect Impingement
Twist Rate01:7.5
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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