XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish

Name: XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish
Brand: Xts
Availability: InStock

Xts · Upper Receiver

No ratings yet

Best price

$253.99at OpticsPlanet

In stock Sale checked Oct 13, 2026

Buy at OpticsPlanet

Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet	$253.99Salechecked Oct 13, 2026	In stock	Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Show

Lowest in-stock price in the last 30 days: $253.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
OpticsPlanet	$253.99	$253.99	$253.99

Since Oct 12, 2026.

About this part

The XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish is an AR-15 complete upper receiver from Xts. One store lists it, OpticsPlanet at $253.99. The lowest in-stock price in the last 30 days was $253.99 at OpticsPlanet.

Fits and works with

Caliber: 300 Blackout · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Muzzle thread: 5/8x24 · Muzzle devices
Barrel length: 17.5" · Handguards

Specifications

Manufacturer: Xts
Color: Black
Type: Complete
Platform: AR-15
Caliber: 300 Blackout

From the manufacturer

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard. These XTS complete uppers do not include the Bolt Carrier Group. Specifications for XTS AR-15 8.5in 300 BO Complete Upper Receiver w/o BCG: Manufacturer: XTS Caliber: .300 AAC Blackout Overall Length: 17.5 in Barrel Length: 8.5 in Gas System Length: Pistol Length Barrel Twist Rate: 1-8 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 Condition: New Threads per Inch: 5/8x24 Mount Type: M-LOK Country of Origin: USA Package Contents: XTS AR-15 8.5in 300 BO Complete Upper Receiver w/o BCG Anachor Upper Receiver 5.56 NATO Barrel 8.5in XTS Charging Handle XTS Forward Assist XTS Ejection Port Cover 7in M-LOK 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 Receiver w/o BCG is compatible with? The manufacturer says that XTS AR-15 8.5in 300 BO Complete Upper Receiver w/o BCG is compatible with AR-15XTS XTSCU8300BK: Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol Length 1-8 Twist 5/8x24 Thread M-LOK Handguard Bird Cage Black Nitride Finish Black