Superlative Arms AR-15 Adjustable Gas Block .625" Solid Melonite
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Superlative Arms
Overview
The Superlative Arms LLC AR-15 Adjustable Gas Block features a .625" diameter and is crafted from stainless steel with a nitride finish for enhanced durability. This low-profile gas block allows builders to fine-tune gas flow, accommodating various ammunition types and optimizing reliability and function in mid-length gas systems. It's particularly suited for 5.56 NATO builds, making it a versatile choice for those looking to enhance performance and adjustability in their AR-15 projects.
Specifications
Superlative Arms AR-15 Adjustable Gas Block .625" Solid Melonite
Available Merchants(6)
Prices checked
Price Alert
September 2026 on GunPartPicker
Superlative Arms AR-15 Adjustable Gas Block .625" Solid Melonite ranked #19 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 #14 of the 210 gas blocks builders have added. Builds with this gas block are mostly chambered in 5.56 NATO (64%, then .223 Wylde 21%), split between mid-length (52%) and carbine-length (28%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 4 of the 6 retailers we track have it in stock. Prices barely moved in September 2026, holding around $89.99, so there haven't been real sales lately. Buying today, the lowest price is $89.99 at Brownells, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
FAXON Firearms AR-15 Gunner Barrel, 16", 5.56 NATO, Mid-Length, 4150 QPQ
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
WMD Guns AR-15 Gas Tube Nitromet Mid-Length
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Superlative Arms Llc Ar-15 Adjustable Gas Block .625" Solid Melonite
| Build | Parts | Total |
|---|---|---|
 | 23 | $2055.83 |
 | 12 | $2672.07 |
 | 12 | $6138.51 |
 | 12 | $1065.24 |
 | 12 | $1065.24 |
 | 10 | $1743.75 |
 | 20 | $966.27 |
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