Bushmaster FLTTOP REC 300 16 UPPER

Questions & Answers

• Q: Does this upper use the large pins (0.25") or small pins (0.155") to attach to the lower. I have a Rock river lower, and it uses the 0.25" pins. thanks

  • Answered
  • Asked 07/29/2019 22:40 by Eddie E

  A:

  Eddie, this should be the small pins as is on your Rock River. However, I would confirm this with Bushmaster Customer Service to be absolutely sure at Phone: 1-800-883-6229 or by online inquiry at : https://www.bushmaster.com/contact

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• Q: Well, does it include all these or is it barebones?

  • Answered
  • Asked 03/06/2019 16:40 by Collin L

  A:

  Yes it includes bot forward assist, Charging handle and BCG This flat top upper assembly from Bushmaster is chambered in .300 AAC Blackout and features a 16" 4150 chrome moly steel barrel with salt bath nitride finish. The barrel is free floated within the quad rail handguard. The muzzle is threaded 5/8x24 and fitted with an AAC Blackout flash hider. The upper assembly is complete with bolt carrier group, forward assist, ejection port cover and charging handle. Just pin on any complete AR-15 and add your favorite sights or optics.
  Specifications and Features:
  Bushmaster 92866
  .300 AAC Blackout
  Pistol length gas system
  16" chrome moly barrel with nitride finish
  1:7" twist
  M4 feed ramps
  Muzzle threaded 5/8x24
  AAC Blackout flash hider
  Free float quad rail
  Bolt carrier group
  Charging handle
  Forward assist
  Black