Parts by category

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Blue Titanium

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Blue Titanium

Grid Defense · Upper Receiver

No ratings yet

Best price

$319.99at OpticsPlanet

Out of stock Sale checked Oct 22, 2026

Buy at OpticsPlanet

Where to buy

StorePriceAvailabilityBuyAdd to build
OpticsPlanet $319.99Salechecked Oct 22, 2026 Out of 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.

Similar upper receivers in stock

This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.

More Grid Defense parts

Price history

Dashed line = out of stock. Tracking since Oct 15, 2026.

Show the prices as a table
StoreLatestLowestHighest
OpticsPlanet$319.99$319.99$319.99

Since Oct 15, 2026.

About this part

The Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Blue Titanium is an AR-9 complete upper receiver from Grid Defense. One store lists it, OpticsPlanet at $319.99.

Fits and works with

Caliber
9mm · Shop matching ammo
Bolt
9mm · Bolt carrier groups
Barrel length
7.5" · Handguards
Handguard length
7" · Barrels

Specifications

Manufacturer
Grid Defense
Color
Blue
Type
Complete
Platform
AR-9
Caliber
9mm

From the manufacturer

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Blue Titanium. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build and you can pick your choice of corrosion-resistant coating to further strengthen the structure. To expand your accessory customization options the Grid Defense 9x19 Para Mil-Spec Upper Receiver features an octagon M-LOK rail. Mount essential accessories and improve your firearm's performance by using this Grid Defense 9mm Upper Receiver. Specifications for Grid Defense 9x19 Para Upper Receiver: Manufacturer: Grid Defense Caliber: 9mm Luger Barrel Profile: 4150 Light HBAR Barrel Twist Rate: 1-10 Handguard Type: Free-Float Gun Model: AR-15 Fabric/Material: 4150 Steel Gas Block Journal Size-Diameter: .750 in Handguard Style: Thin Rail Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Weight: 3.2 lb Bolt Carrier Group Included: No Charging Handle Included: No Magazine Included: No Condition: New Mount Type: M-LOK Features of Grid Defense 9x19 Para Upper Receiver: Mil-Spec 7075-T6 Upper Receiver 1:10 Twist 4150 Light HBar Barrel - Nitride Grid Defense Octagon M-Lok Rail A2 Flash Hider/Dimpled flash can Chambered in 9x19 Para Package Contents: Grid Defense 9x19 Para Complete Upper Receiver What firearm models does the manufacturer say Grid Defense 9x19 Para Upper Receiver is compatible with? The manufacturer suggests that Grid Defense 9x19 Para Upper Receiver is compatible with AR-15Grid Defense GD75E7GDR9MMBT: Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Blue Titanium

Rating

No ratings yet

Log in to rate this part.

Comments

Please log in to read and leave comments.

$319.99 at OpticsPlanet
Buy