Badger Ordnance

Badger Ordnance AR-15 Gas Block MK12 .750 Steel Black

Badger Ordnance Ar-15 Gas Block Mk12 .750 Steel Black - Gas Block for AR-15 - view 1
Badger Ordnance Ar-15 Gas Block Mk12 .750 Steel Black - Gas Block for AR-15 - view 2
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Badger Ordnance

Overview

The Badger Ordnance AR-15 Gas Block MK12 is a low-profile gas block designed with a diameter of .750 inches, making it a suitable choice for a variety of builds. Made from stainless steel, it provides durability while ensuring optimal gas flow for reliable cycling in your AR-15. This gas block commonly appears in carbine-length gas systems and is frequently used in 5.56 NATO caliber builds, making it a solid choice for your next project.

Specifications

MPN249-30
ProfileLow Profile
MaterialStainless Steel
FinishBlack
Gas Block Diameter.750

Available Merchants(3)

Prices checked

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Brownells
Free shipping over $99
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$75
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Optics Planet
Free shipping
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$76
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Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
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$77
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September 2026 on GunPartPicker

Badger Ordnance AR-15 Gas Block MK12 .750 Steel Black ranked #34 of the 67 gas blocks builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #36 of the 195 gas blocks builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 3 retailers we track have it in stock. Prices barely moved in September 2026, holding around $75, so there haven't been real sales lately. Buying today, the lowest price is $75 at Brownells, which matches the best price we saw in September.

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Frequently Built With

The part most often added in each category by the builds that include this one

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Trigger$335in 40% of them
SureFire Warcomp 556 Ctn 1/2x28 Closed Tine Flash Hider

SureFire Warcomp 556 Ctn 1/2x28 Closed Tine Flash Hider

Muzzle Device$152in 20% of them
Bravo Company M16 Bolt Carrier Group Black

Bravo Company M16 Bolt Carrier Group Black

Bolt Carrier Group$199in 20% of them
Geissele Super Charging Handle (SCH), 7.62, Desert Dirt Color 05-476S

Geissele Super Charging Handle (SCH), 7.62, Desert Dirt Color 05-476S

Charging Handle$136in 20% of them
Sons of Liberty Gun Works AR-15 Stripped Lower Receiver - Rebellious Stripes

Sons of Liberty Gun Works AR-15 Stripped Lower Receiver - Rebellious Stripes

Lower Receiver$138 · out of stockin 20% of them
Geissele Automatics MK8 10.5" M-LOK Super Modular Rail Black

Geissele Automatics MK8 10.5" M-LOK Super Modular Rail Black

Handguard$282in 20% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

94%
AR-1594%
AR-104.7%
AR-91.3%

Caliber

66%
5.56 NATO66%
.223 Wylde15.8%
300 Blackout8.8%
.308 Win3.2%
6mm ARC1.6%
Other4.5%

Gas System

45.4%
Mid-Length45.4%
Carbine28.4%
Rifle13.2%
Pistol11.8%
Intermediate0.6%
Other0.5%

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