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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, 16% 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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Questions & Answers
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 in
Barrel Length:
8 in
Gas System Length:
Pistol Length
Barrel Twist Rate:
1-8
Firearms Threads Per Inch:
1/2x28
Muzzle Device:
A2 Flash Hider
Finish:
Nitride
Color:
Black
Gun Model:
AR-15
Gas Block Journal Size-Diameter:
.750 in
Handguard Length:
7 in
Barrel Material:
4150 Chrome Moly Vanadium
Weight:
16 oz

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

MPN: XTS-CU8300CE

UPC: 767820106748

List: $334.99Save 16%
$279.99

ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.

made-in-usa-flag Made in USA

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
Firearms 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
Weight: 16 oz
Bolt Carrier Group Included: No
Charging Handle Included: MIL-SPEC
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

What firearm models does the manufacturer say XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail is compatible with?

The manufacturer says that XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail is compatible with 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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