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Customer Reviews
Helpful Positive Review Happy customer by Randall Havron, January 31, 2024
I gave TRYBE a chance at the suggestion of a friend. I am very happy that I did because this is a really fine upper and the price is very fair I think. I purchased the bundle with the muzzle brake device. Honestly almost more impressed with that prod...
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1/2 found this helpful
Helpful Negative Review Jams are a common event by Elison, Verified Owner, December 7, 2023
I spend more time clearing jams than I do firing my weapon. Please use magazines especially designed for to hold 300 blackouts. If you use 5.56 magazines, use 300 blackout 200 grain or heavier to reduce miss fires. Trust me!!
1/5 found this helpful
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Caliber: .300 AAC Blackout Overall Length: 16 inBarrel Length: 16 inGas System Length: Pistol Length Threads per Inch: 5/8x24 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Black Nitride Color: Black Fabric/Material: 4140 Chrome Moly Vanadium Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Gun Model: AR-15 Weight: 3.45 lb, 55.2 ozIncluded Accessories: No Charging Handle or BCG Condition: Factory DEMO Barrel Material: 4140 Chrome Moly Vanadium Magazine Included: No

Code: TRB-URC-SEUPR-SCUPPER16300-DEMO

MPN: SCUPPER16300-DEMO

Product No Longer Available

Product Info for TRYBE Defense AR-15 16in .300 Blackout M-LOK Semi-Complete Upper Receiver

If you're ready to enjoy the awesomeness that is an AR Rifle, the TRYBE Defense AR-15 16" Semi-Complete Upper chambered in .300 Blackout has everything you need. Featuring an ultra-durable high-performance 4140 CMV steel barrel with 5R rifling and a 1:8" twist, a 15" M-LOK free float rail, and an A2 flash hider, this is the perfect upper for any shooter serious about the quality of their build! Don't settle for less. Pick up the TRYBE Defense AR-15 16" Semi-Complete Upper Receiver and carry your rifle with some confidence.image

If you want to make this upper complete, pick up a quality TRYBE Defense Bolt Carrier Group and Charging Handle. Flawless compatibility and zero issues with tolerance stacking.

For other quality gear to carry and protect everything you'd need for a day at the range, check out the premium field accessories that your loyal friends at TRYBE Tactical and TRYBE Optics have for you. Start customizing today and get ready to JOIN. THE. TRYBE.

Package Contents:

  • TRYBE Defense AR-15 16in .300 Blackout M-LOK Semi-Complete Upper Receiver
  • TRB-URC-SEUPR-SCUPPER16300
  • TRYBE Defense AR-15 16 in. M-LOK Semi-Complete Upper Receiver, .300 Blackout
  • TRB-URC-SEUPR-SCUPPER16300-KIT1
  • TRYBE Defense AR-15 16 in. M-LOK Semi-Complete Upper Receiver, .300 Blackout (TRB-URC-SEUPR-SCUPPER16300)
  • TRYBE Defense CIB Cowl Induction Muzzle Brake (TRB-BMB-HS90B-TRBCIB30858X24)

Magazine and Accessories

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Gun Barrels

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TRYBE Defense AR-15 16in .300 Blackout M-LOK Semi-Complete Upper Receiver Accessories

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Gun Sights

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Gun Stocks

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Mounts, Rings and Accessories

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AR Upper Receiver Parts

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Related Products to TRYBE Defense AR-15 16in .300 Blackout M-LOK Semi-Complete Upper Receiver

TRYBE Defense AR-15 16in .300 Blackout M-LOK Semi-Complete Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

DEMO, TRYBE Defense AR-15 Semi-Complete Upper M-LOK w/o BCG or Charging Handle, 16in, .300 Blackout, 4140 CMV, Black, SCUPPER16300 , MPN: SCUPPER16300-DEMO , Code: TRB-URC-SEUPR-SCUPPER16300-DEMO
USED TRYBE Defense AR-15 Semi-Complete Upper M-LOK w/o BCG or Charging Handle, 16in, .300 Blackout, 4140 CMV, Black, SCUPPER16300, EDEMO1, Used, Condition Fair, Installed/Mounted , MPN: SCUPPER16300-EDEMO1 , Code: TRB-URC-SEUPR-SCUPPER16300-EDEMO-IN-D
TRYBE Defense AR-15 Semi-Complete Upper M-LOK w/o BCG or Charging Handle, 16in, .300 Blackout, 4140 CMV, Black, SCUPPER16300 , MPN: SCUPPER16300 , UPC: 810030588351 , Code: TRB-URC-SEUPR-SCUPPER16300
TRYBE Defense AR-15 Semi-Complete Upper M-LOK w/o BCG or Charging Handle, 16in, .300 BLK and TRYBE Defense CIB Cowl Induction Muzzle Brake, .30 Caliber, 5/8x24 , MPN: SCUPPER16300-KIT1 , Code: TRB-URC-SEUPR-SCUPPER16300-KIT1
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