Retro Carry Handle Brn Gau-5a 5.56mm 12.7" Bbl 1-12 Twist W/Colt 4x21mm Scope
$782.99 at Brownells
In stock Sale
Adeg Brn XM177E2 5.56mm 11.5"bbl 1-12 Twt Upper Pin/Weld W/4x21mm
Brownells Bundles · Upper Receiver
No ratings yetBest price
$808.99at Brownells
Out of stock Sale checked Oct 23, 2026
In stock now instead
- Retro Carry Handle Brn Gau-5a 5.56mm 12.7" Bbl 1-12 Twist W/Col… $782.99at Brownells
- Spikes Tactical Upper 5.56 11.5in FN CHF w/9in BAR2 Rail $808.20at OpticsPlanet
- Rock River Arms Completed Upper Receiver National Match A2 .223… $809.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $808.99Salechecked Oct 23, 2026 | Out of stock | Buy at Brownells |
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.
Spikes Tactical Upper 5.56 11.5in FN CHF w/9in BAR2 Rail
$808.20 at OpticsPlanet
In stock Sale
Rock River Arms Completed Upper Receiver National Match A2 .223/5.56mm 20 Inch Barrel 1-8 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider
$809.99 at OpticsPlanet · 2 stores
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Spikes Tactical Upper 5.56 11.5in FN CHF w/7in BAR2 Rail & FSP
$805.50 at OpticsPlanet
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Midwest Industries Combat Rail HD .223 Wylde 11.5inch Upper Receiver Group CORE Carbine Length 1-8 Twist 1/2x28 Threads A2 Hardcoat Anodize Black
$800.95 at OpticsPlanet
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M4 Le6921 Upper Group 14.5in With BCG And Sights
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In stock
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $808.99 | $808.99 | $808.99 |
Since Sep 28, 2026.
About this part
The Adeg Brn XM177E2 5.56mm 11.5"bbl 1-12 Twt Upper Pin/Weld W/4x21mm is an 11.5" 5.56 / .223 upper receiver from Brownells Bundles. One store lists it, Brownells at $808.99.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 11.5" · Handguards
Specifications
- Manufacturer
- Brownells Bundles
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Based on popular carbine configurations, these XM177E2 Upper Receivers are ready for your next Retro build. The muzzle of the XM177E2 Upper Receiver, is capped by the classic XM177E2 moderator inspired flash hider, with ports around its radius. This muzzle device is a flash hider, unlike the original XM177 muzzle device, which was technically a suppressor. The flash hider is attached to a lightweight 11.5 or 12.7 inch barrel. Why 12.7 inch? The 12.7 inch model has its muzzle device pinned and welded in place, allowing the overall length of the barrel to reach the required 16" for a rifle. Barrels are available with a 1-12 or 1-7 twist. Select 1-12 if shooting 55gr bul Mfg: Brownells Bundles
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