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AIM Sports Inc Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float

AIM Sports Inc Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float

Aim Sports Inc · Upper Receiver

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Best price

$329.99at Kentucky Gun Co

Out of stock checked Oct 23, 2026

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Where to buy

StorePriceAvailabilityBuyAdd to build
Kentucky Gun Co Best price $329.99checked Oct 23, 2026 Out of stock Buy at Kentucky Gun Co
OpticsPlanet $359.99Salechecked Oct 23, 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.

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Price history

Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table
StoreLatestLowestHighest
Kentucky Gun Co$329.99$329.99$329.99
OpticsPlanet$359.99$359.99$359.99

Since Oct 12, 2026.

About this part

The AIM Sports Inc Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float is an AR-15 complete upper receiver from Aim Sports Inc. It's sold by 2 stores, from $329.99 to $359.99.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Bolt
Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Gas system
Carbine · Handguards
Muzzle thread
1/2x28 · Muzzle devices
Barrel length
10.5" · Handguards

Specifications

Manufacturer
Aim Sports Inc
Type
Complete
Platform
AR-15
Caliber
5.56 mm NATO

From the manufacturer

AIM Sports Inc Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float. 5" AR Pistol Upper Specifications for AIM Sports Inc Complete AR-15 5.56x45mm NATO 10.5in Pistol Upper Receiver w/BCG: Manufacturer: AIM Sports Inc Caliber: 5.56x45mm NATO Muzzle Device: A2 Flash Hider Finish: Type III Hardcoat Anodized Color: Black Gun Model: M4 Fabric/Material: 7075-T6 Aluminum Barrel Material: 4150 Chrome Moly Vanadium Condition: New Features of AIM Sports Inc Complete AR-15 5.56x45mm NATO 10.5in Pistol Upper Receiver w/BCG UPPER: Mil-Spec Forged 7075-T6 completely assembled upper receiver. Type III hard coat anodized for maximum durability. M4 Barrel Extensions BARREL: 10.5in 4150 Chrome Moly Vanadium Steel. 5.56 NATO Chamber . Nitride finished for protection against corrosion. BOLT CARRIER GROUP: Carrier body is 8620 steel and bolt is 9310 tool steel. Both are Nitride finished with excellent lubricity and corrosion resistance properties. Full Auto Profile RAIL: 13.5in AIM Wraith M-LOK Rail Package Contents: AIM Sports Inc Complete AR-15 5.56x45mm NATO 10.5in Pistol Upper Receiver w/BCG What firearm models does the manufacturer say AIM Sports Inc Complete AR-15 5.56x45mm NATO 10.5in Pistol Upper Receiver w/BCG is compatible with? The manufacturer suggests that AIM Sports Inc Complete AR-15 5.56x45mm NATO 10.5in Pistol Upper Receiver w/BCG is compatible with M4AIM Sports Inc AR5CUB8: Complete AR Pistol Upper Receiver w/ BCG 5.56 NATO 10.5in Barrel M4 Profile Carbine 1-8 Twist 1/2x28 Thread 10M-LOK Free Float Handguard A2 Birdcage Flash Hider Nitride Black

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$329.99 at Kentucky Gun Co
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