Mk12 Mod 0 SPR Gen II 5.56mm 18" Bbl 1-8 Twist Upper Black
$1,757.00 at Brownells · 3 stores
In stock
Best price
$1,765.00at Brownells
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $1,765.00checked Oct 1, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $1,765.00Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| MidwayUSA | $1,765.00checked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| Battlehawk Armory | $1,563.20Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $1,765.99checked Oct 1, 2026 | Check store | Buy at Palmetto State Armory |
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
Lowest in-stock price in the last 30 days: $1,765.00 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $1,563.20 | $1,563.20 | $1,563.20 |
| Brownells | $1,765.00 | $1,765.00 | $1,765.00 |
| MidwayUSA | $1,765.00 | $1,765.00 | $1,765.00 |
| OpticsPlanet | $1,765.00 | $1,765.00 | $1,765.00 |
| Palmetto State Armory | $1,765.99 | $1,765.99 | $1,765.99 |
Since Sep 27, 2026.
About this part
The Mk12 SPR 18" 5.56mm NATO 1-7 12" Ddm4 Rail Upper is an 18" 5.56 / .223 upper receiver from Daniel Defense. It's sold by 5 stores (3 in stock), from $1,563.20 to $1,765.99. The lowest in-stock price in the last 30 days was $1,765.00 at Brownells.
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
- 18" · Handguards
- Handguard length
- 12" · Barrels
Specifications
- Manufacturer
- Daniel Defense
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Barrel length
- 18"
- Length
- 18
From the manufacturer
A Proven Design with Superior Features
The MK12 Upper Receiver from Daniel Defense is built around an 18" stainless steel barrel, engineered with a rifle-length direct impingement gas system and utilizing the MK12 gas block, which is built to Crane Specifications for USSOCOM.
The Daniel Defense MK12 Upper Receiver features a rugged hard coat anodized Mil-Spec aluminum upper with a hammer forged stainless steel 18" barrel in a 1-7 twist with a MK12 profile.
- MK12 low profile gas block machined from 416 hardened steel, rifle length
- Daniel Defense 17-4 PH stainless steel flash suppressor
- Chrome Lined M16 profile bolt carrier group
- 6061-T6 hard coat anodized 12" Daniel Defense DDM4 Rail
The MK12 Upper Receiver from Daniel Defense offers rugged dependability and precision accuracy in a complete package.
Big Book Catalog, Issue:71, Page:004
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