RISE Armament AR-15 6mm ARC 18in Complete Upper Receiver Rifle Length 1-7 Twist 1/2x28 Dark Gray
$999.00 at Ammunition Depot · 4 stores
In stock
Brn16a1 Brn M16A1 Upper Receiver 20" Rifle Length, 1-7 Twist, Black
No ratings yetBest price
$679.99at Brownells
Out of stock Sale checked Oct 23, 2026
In stock now instead
- RISE Armament AR-15 6mm ARC 18in Complete Upper Receiver Rifle … $999.00at Ammunition Depot
- Bilson Arms BA-15FC 22 ARC 18in Forward Complete Upper Assembly… $1,244.00at OpticsPlanet
- Bilson Arms BA-15FC 338 ARC 16in Forward Complete Upper Assembl… $1,244.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $679.99Salechecked 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.
Bilson Arms BA-15FC 22 ARC 18in Forward Complete Upper Assembly Rifle Length 1-7 Twist 1/2-28 TPI FDE/Graphite Black
$1,244.00 at OpticsPlanet
In stock Sale
Bilson Arms BA-15FC 338 ARC 16in Forward Complete Upper Assembly Rifle Length 1-8 Twist 5/8-24 TPI Tactical Grey/Graphite Black
$1,244.00 at OpticsPlanet
In stock Sale
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $679.99 | $679.99 | $679.99 |
Since Sep 28, 2026.
About this part
The Brn16a1 Brn M16A1 Upper Receiver 20" Rifle Length, 1-7 Twist, Black is an AR-15 complete upper receiver from Brownells. One store lists it, Brownells at $679.99.
Fits and works with
- Gas system
- Rifle · Handguards
- Barrel length
- 2E+1" · Handguards
Specifications
- Manufacturer
- Brownells
- Color
- Black
- Type
- Complete
- Platform
- AR-15
From the manufacturer
The BRN-16A1A(R) Complete Upper Receivers are back! Styled after the issued U.S. M16A1, the BRN-16A1A(R) has distinct features, found on late 1960s M16 rifles. The muzzle of the BRN16A1A(R), is capped by the classic A1 flash hider, with ports around its radius, and is retained by a proper split washer. The flash hider is attached to a lightweight 20 inch barrel, found on AR-15 variants through the M16A1. Available with a 1-12 or 1-7 twist. Select 1-12 if shooting 55gr bullets, and 1-7 if shooting 62gr or heavier. The front sight base is not F-marked, meaning the round, tapered front sight post is properly in line with the carry handle rear sight. The black triangle handg Mfg: Brownells
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