Click to see full view
AIM Sports
Overview
The Aim Sports Low-Profile Micro Gas Block is designed to provide optimal gas flow and reliability for your AR-15 build. With a diameter of .750 inches, this steel gas block fits securely under most handguards while its low-profile design minimizes weight and bulk, making it ideal for streamlined setups. This gas block is commonly found in carbine gas system builds, particularly those chambered in 5.56 NATO, where precision and weight savings are crucial.
Aim Sports Low-Profile Micro Gas Block, 0.75", Phosphate Coated 1018 Steel - ZH-MGB01
Prices checked
Log in to set a price alert on this product.
Aim Sports Low-Profile Micro Gas Block, 0.75", Phosphate Coated 1018 Steel - ZH-MGB01 ranked #14 of the 75 gas blocks builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #18 of the 177 gas blocks builders have added. Builds with this gas block are nearly all chambered in 5.56 NATO, split between carbine-length (50%) and mid-length (50%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 4 retailers we track have it in stock. The best price drifted down from $10.99 to $7.08 over August 2026 without a real sale. Buying today, the lowest price is $7.08 at KY Gun Company, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every gas block by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Gas Block Guide →Check it against the live catalog:
The part most often added in each category by the 17 builds that include this one
PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
AR-15 Forged M4 Upper Receiver 5.56mm - AR-15 Forged M4 Stripped Upper Receiver
Colt A2 Compensator .22 Caliber 1/2-28 Steel Black
Expo Arms Carbine Length Gas Tube - Stainless Steel
Aero Precision 5.56 Mid-Length AR-15 Barrel - Pinned Epsilon SL - 14.5"
PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec - 24080
Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Aim Sports Low-Profile Micro Gas Block, 0.75", Phosphate Coated 1018 Steel - ZH-MGB01
| Build | Parts | Total |
|---|---|---|
 | 18 | $632.22 |
 | 12 | $1027.74 |
 | 15 | $923.84 |
 | 25 | $840.78 |
 | 10 | $831.49 |
 | 28 | $1172.27 |
 | 25 | $1045.81 |
 | 14 | $615.02 |
 | 21 | $657.17 |
1 global rating
Top reviews
AIM sports low profile .75 micro gas block, phosphate coated. set screws hold position against a dimpled barrel through 300 rds of sustained fire. low profile sits under any free float rail with clearance to spare. budget priced and reliable
