Solo 300 Complete Upper, 16"

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The Solo 300 is something new in the AR-15 world; a manually operated, straight-pull bolt action upper that requires no buffer tube. The result is the lightest, most compact weapon possible on the AR-15 platform.

The Solo 300 is compatible with any standard AR-15 lower, with or without buffer tube. And because it's built on an actual AR-15 upper receiver, it's compatible with all your favorite accessories, including free-float handguards and magazines of all sizes.

  • 300 Blackout
  • 6" Barrel, 416 Stainless 
  • 5/8-24 threaded muzzle 
  • 1-7" Twist 
  • 5R Rifling 
  • Fluted stainless thread protector
  • Forged Aluminum Receiver 
  • No FA / No ejection port cover   
  • Compatible with buffer tubes, buffer hole plugs, and picatinny stock/brace adaptors (all available separately.)
  • Optional Black Cerakote on barrel & bolt handle (+$30)
  • Optional 7", 12”, or 15” Mlok handguard                                  (+$45)

S&H to the United States is $14 via USPS Priority