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XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail XTS-CU8300CE Caliber: .300 AAC Blackout, Overall Length: 17.5 in, 21% Off w/ Free S&H

XTS Complete Upper Receiver w/o BCG w/ Ce Rail, AR-15, 300 BO, 17.5in, 8in Barrel, 1-8 Twist, 1/2x28 Thread, M-LOK Handguard, Bird Cage, Black Finish, Black, XTS-CU8300CE
XTS Complete Upper Receiver w/o BCG w/ Ce Rail, AR-15, 300 BO, 17.5in, 8in Barrel, 1-8 Twist, 1/2x28 Thread, M-LOK Handguard, Bird Cage, Black Finish, Black, XTS-CU8300CE
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XTS Complete Upper Receiver w/o BCG w/ Ce Rail, AR-15, 300 BO, 17.5in, 8in Barrel, 1-8 Twist, 1/2x28 Thread, M-LOK Handguard, Bird Cage, Black Finish, Black, XTS-CU8300CE

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Customer Reviews
Most Recent Reviews Good but faulty by Dan, Verified Owner, September 3, 2025
Pretty normal upper. But the gas tube did not have a roll pin holding it in the gas block. Sad.
Read 1 Review
Caliber: .300 AAC Blackout Overall Length: 17.5 inBarrel Length: 8 inGas System Length: Pistol Length Barrel Twist Rate: 1-8 Threads per Inch: 1/2x28 Muzzle Device: A2 Flash Hider Finish: Nitride Color: Black Gun Model: AR-15 Gas Block Journal Size-Diameter: .750 inHandguard Length: 7 inWeight: 16 oz

Code: 20R-UFH-AR8BO-XTS-CU8300CE

MPN: XTS-CU8300CE

UPC: 767820106748

List: $334.99Save 21%
$265.99

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Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail

Our complete 8.5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard, this will make your next build the ultimate AR.image

*These XTS complete uppers do not include the Bolt Carrier Group.

Specifications for XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail:

Manufacturer: XTS
Caliber: .300 AAC Blackout
Overall Length: 17.5 in
Barrel Length: 8 in
Gas System Length: Pistol Length
Barrel Twist Rate: 1-8
Threads per Inch: 1/2x28
Muzzle Device: A2 Flash Hider
Finish: Nitride
Color: Black
Gun Model: AR-15
Fabric/Material: Stainless Steel
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 7 in
Handguard Style: Round Rail
Gun Rail: M-LOK
Gun Make: AR Platform
Barrel Material: 4150 Chrome Moly Vanadium
Bolt Carrier Group Included: No
Charging Handle Included: MIL-SPEC
Weight: 16 oz
Magazine Included: No
Mount Type: M-LOK
Country of Origin: USA

Package Contents:

  • XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail
  • Anchor Harvey Upper Receiver
  • 300 b/o BARREL 8in
  • XTS Charging Handle
  • XTS Forward Assist
  • XTS Ejection Port Cover
  • 7in M-LOK RAIL
  • Black Gas Block
  • Gas Tube
  • Bird Cage Muzzle Brake

This product is compatible with the following gun models: AR-15

XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail Orderable Models

List of Orderable Models

XTS Complete Upper Receiver w/o BCG w/ Ce Rail, AR-15, 300 BO, 17.5in, 8in Barrel, 1-8 Twist, 1/2x28 Thread, M-LOK, Bird Cage, Black Finish, XTS-CU8300CE , MPN: XTS-CU8300CE , UPC: 767820106748 , Code: 20R-UFH-AR8BO-XTS-CU8300CE
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