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Superlative Arms

Superlative Arms Bleed-Off Gas Block

Unique bleed-off design vents excess gas forward instead of restricting it. Reduces carrier velocity without the downsides of restriction.

Quick Specs

Price
Contact for price
Weight
N/A
Brand
Superlative Arms
Category
gas-component

Features

  • Bleed-off gas regulation
  • 30+ click positions
  • Clamp-on or set-screw mounting
  • .750 or .625 journal

Compatibility Tags

family: ar-pattern

Overview

The Superlative Arms Adjustable Bleed-Off Gas Block represents a fundamentally different approach to gas regulation compared to traditional restrictive designs. Rather than simply blocking excess gas flow like conventional adjustable gas blocks, the Superlative Arms system vents surplus gas forward through a bleed-off port located on the front of the block. This innovative design reduces bolt carrier velocity while maintaining proper gas tube pressure, avoiding the carbon buildup and reliability concerns that plague restrictive gas blocks under extended suppressed use.

Machined from 416 stainless steel with a Melonite QPQ finish, the Superlative Arms gas block offers 30 locked adjustment positions accessible via a front-mounted adjustment screw. The system features a recommended starting point of 18 clicks (4.5 revolutions) counterclockwise from fully closed, which replicates standard non-adjustable gas block pressure. From this baseline, shooters can fine-tune in either direction to achieve optimal cycling for their specific barrel, ammunition, and suppressor combination. Available in both clamp-on and set-screw configurations for .625, .750, .875, and .936 inch gas journals, the system accommodates virtually all AR-15 and AR-10 platforms.

The bleed-off design shines brightest on dedicated suppressor hosts where keeping the action cleaner translates to extended service intervals and improved reliability. By venting excess gas forward rather than trapping it in the gas tube and upper receiver, the Superlative Arms system significantly reduces carbon fouling in the bolt carrier group and charging handle area. The low-profile 1.303-inch height fits under most handguards, while the robust stainless steel construction ensures long-term durability. Weight varies by model from 1.45 oz for .625-inch variants to 1.80 oz for .750-inch set-screw models.

Key Features

  • Unique bleed-off design vents excess gas forward
  • 30 locked adjustment positions with 4 clicks per revolution
  • 416 stainless steel with Melonite QPQ finish
  • Available in .625, .750, .875, and .936 inch journals
  • Clamp-on or set-screw mounting options
  • 1.303-inch low-profile height fits most handguards
  • Reduces carbon fouling in bolt carrier and upper receiver

Pros

  • +Bleed-off design keeps action significantly cleaner than restrictive blocks
  • +30 adjustment positions allow precise gas tuning
  • +Reduces carrier velocity without restricting gas tube flow
  • +Ideal for dedicated suppressor hosts with extended use
  • +Robust 416 stainless steel construction with Melonite finish
  • +Available in four journal sizes for wide compatibility

Cons

  • More complex than standard adjustable gas blocks
  • Front adjustment screw requires handguard removal for changes
  • Higher profile gas tube entry may require offset gas tubes
  • More expensive than basic set-screw adjustable blocks
  • Bleed-off benefits less pronounced for unsuppressed use

Detailed Specifications

Material
416 stainless steel
finish
Melonite QPQ
adjustmentPositions
30 locked positions (4 clicks/revolution)
adjustmentLocation
Front-mounted screw
journalSizes
.625, .750, .875, .936 inch
mountingStyle
Clamp-on or set-screw
height
1.303 inches (low-profile)
weight
1.45-1.80 oz depending on model
gasTubeRecommendation
.063 offset (.750), straight (.875), .120 reverse (.936)
compatibility
AR-15, AR-10, AR-308

Compatible Platforms

+23 more

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