LBE Unlimited Low Profile Gas Block, Rifle-Length Gas Tube, Stainless Steel

Original price was: $45.99.Current price is: $36.75.

This low profile .750 gas block includes a nitride-finished steel body and a pre-fitted rifle-length 304 stainless seamless gas tube, made in the USA.

LBE Unlimited Low Profile Gas Block, Rifle-Length Gas Tube

This low profile gas block pairs a nitride-finished .750 steel body with a pre-fitted rifle-length 304 stainless steel seamless gas tube, giving you a complete gas system in one part number. Made in the USA, it clears most free-float handguards and fits barrels with a .750 gas block journal.

Need a different gas system length? See the carbine-length version, or browse more fixed gas blocks.

Key Features

  • Low profile .750 steel gas block with durable nitride finish
  • Rifle-length 304 stainless steel seamless gas tube included
  • Clears most free-float handguards for clean builds
  • Manufactured in the United States

Specifications

UPC 706612408035
Manufacturer LBE Unlimited
Manufacturer Part # ARLGB-RBLK
Type Gas Block
Gas Tube Length Rifle-Length
Gas Block Material Steel, Nitride Finished
Gas Tube Material 304SS Seamless Stainless Steel
Diameter .750″
Color Black
Made In USA
Subcategory Long Gun Parts
Weight 0.5 lbs
Type

Gas Block

Gas Tube Length

Rifle-Length

Diameter

.750"

Material

Steel, Nitride Finished

Color

Black

Brand

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Frequently Asked Questions

What is a low profile gas block?

A low profile gas block is a minimal-profile gas block designed to sit below the inner diameter of a free-float handguard, allowing a free-float rail or handguard to extend over the gas block without obstruction. Unlike a standard front sight base gas block, a low profile gas block has no iron sight tower, making it compatible with most free-float handguard systems used on modern AR-15 builds.

What gas system length is “rifle-length”?

Rifle-length is the longest standard AR-15 gas system, with a gas port located approximately 12 inches from the chamber. Rifle-length gas systems are used on barrels of 20 inches or longer and produce a longer, softer-feeling recoil impulse compared to carbine or mid-length systems due to the lower gas port pressure at the longer dwell time.

Why stainless steel for a gas block?

Stainless steel provides superior corrosion resistance compared to standard steel gas blocks with phosphate or nitride finishes, making it well suited to wet or humid environments and barrels that are frequently cleaned. Stainless gas blocks are also easy to identify during assembly and cleaning due to their silver appearance against a black or dark barrel finish.