AR-15 Gas Block Mk12 .750 Steel Black
$71.25 at MidwayUSA · 3 stores
In stock
Best price
$68.99at Brownells
Out of stock checked Oct 21, 2026
In stock now instead
- AR-15 Gas Block Mk12 .750 Steel Black $71.25at MidwayUSA
- Precision Reflex Low Profile Gas Block SASS/DPMS .308 .936 Diam… $69.91at OpticsPlanet
- KAK Industry AR-15 .750 in Adjustable Gas Block Black $69.99at Ammunition Depot
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $68.99checked Oct 21, 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 gas system parts in stock
This part is out of stock at every store we track. These similar gas system parts are in stock, with today's prices.
Precision Reflex Low Profile Gas Block SASS/DPMS .308 .936 Diamter Black
$69.91 at OpticsPlanet
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KAK Industry AR-15 .750 in Adjustable Gas Block Black
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $68.99 | $68.99 | $68.99 |
Since Sep 28, 2026.
About this part
The AR-15 Gas Block Mk12 .875 SS SS is a gas system part from Badger Ordnance. One store lists it, Brownells at $68.99.
Fits and works with
- Gas block
- 0.875" diameter · Gas blocks
Specifications
- Manufacturer
- Badger Ordnance
- Size
- .875
- Material
- Steel
From the manufacturer
Slim, low-profile replacement for factory front sight gas block provides maximum clearance for optics and free-float handguards. Streamlined profile reduces forward weight and improves your rifle's appearance. Set screws, gas tube mounting pin, and installation instructions included. Mk 12 is an exact copy of the gas manifold on the Mk12 Mod 1 and Mk 18 Mod 1 Special Purpose Rifles used by the U.S. Army and Navy. Made from 416 stainless steel with a tough, wear-resistant black oxide finish, and fits barrels with .750" O.D. Mk 12 Style in natural stainless, has the same low profile as the Mk12 Mod 1 gas manifold, and fits barrels with .875" O.D. Mfg: Badger Ordnance SPECS: 416 stainless steel. Mk 12 fits .750" (19mm) O.D. barrels. Black finish. 1" (25.4mm) long, 7/8" (22.2mm) wide, 1-7/16" (36.5cm) high. Mk 12 Style fits .875" (22.2mm) O.D. barrels. Natural silver finish. 1" (25.4mm) long, 1" wide, 1-7/1
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