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Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750" (7.62 Barrels) 41 Fabric/Material: 4140 Steel, Condition: New, 21% Off w/ Free S&H

Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750 7.62 Barrels 41
Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750 7.62 Barrels 41
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Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750 7.62 Barrels 41

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Questions & Answers
what is the OD of this block at its largest diameter, looking for something that will fit under 1.27 ? Expert Answer

The Lantac LA00243 .750 Gas Block Ultra Low Profile gasblock is 0.906" wide and 1.307" tall with a journal size of .750".

by Ethan, Gear Expert, March 3, 2022
what is the OD of this block at its largest diameter, looking for something that will fit under 1.27 ? Expert Answer

The height of the Lantac LA00243 .750 Gas Block Ultra Low Profile is 1.307". The Geissele Super Gas Block Black Nitride Coated listed at the link below should work.
https://www.opticsplanet.com/geissele-super-gas-block-black-nitride-coated-05-231n.html

by Hunter, Gear Expert, March 3, 2022
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Customer Reviews
Helpful Positive Review
Lantac Gas Block by CT, April 7, 2018
I installed this gas block with a Lantac gas tube and Lantac 16 inch Raven Barrel. The combination works flawlessly suppressed and unsupressed. I used a Lantac BCG and vltor upper to complete gun just for reference.
4/4 found this helpful
Helpful Positive Review
Lowest Profile GB I Could Find by NATHAN CUNNINGHAM, August 2, 2021
In my latest build i had to switch out my Aero GB for something as short as possible to get my grip & Railscales to fit without having to grind down the mlok screws & bolts too much and thats when i came across this Lantac Ultra Low Profile GB. Its ...
Read More...
2/2 found this helpful
Most Recent Reviews
Top notch fit and finish by Oops, Verified Owner, February 25, 2022
I purchased to dial in a 20" Novaske switchblock 6.5CM barrel. Fit on the barrel firmly without issue but light tapping is required. The increase in adjustability should pair well with heavy Lantac BCG. Very positive clicks in adjustments. Oh! Petty ...
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Most Recent Reviews
Works great! by Jh, Verified Owner, September 28, 2021
Functions exactly as I would expect. Easy install and fit under a slim hand guard. I can’t tell a difference between this one and a much more expensive one. I would order this again for sure. I’m using mine on a 375-08.
Read All 4 Reviews
Condition:
New

Code: 2D0-RGB-LA00243

MPN: LA00243

UPC: 820103732635

List: $68.99Save 22%
$53.99

Product Info for Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750" (7.62 Barrels) 41

LANTAC GB750-S™ Ultra Low Profile Gas Block. Manufactured to the highest quality standards the GB750-S™ is designed to fit .750 diameter gas pad barrels and uses a 2 set screw design to securely retain the block in position. Comes complete with, #10-32 X .125'' set screws and gas tube roll pin. Places the gas port hole at the correct .295'' position from the shoulder. SPECIFICATION: 4140 Gun Barrel Steel. Black Phosphate Finish, Type M. Laser Engraved. Ultra Low Profile. Dia: 0.750'' ID. Length: 0.875''. Weight: 1.2oz. made in specialized factories. Mil/LE Discount available, please contact us for your discount code. ITAR Notice: This product is made in specialized factories by LANTAC USA LLC for sale within the USA only. Export of the commodities described herein is strictly prohibited without a valid export license issued by the U.S. Department of State, Office of Defense Trade Controls, prescribed in the International Traffic in Arms Regulation (ITAR), Title 22, Code of Federal Regulations, Parts 120-130.image

Specifications for Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750" (7.62 Barrels) 41:

Mfg Item Num:  LA00243
Supplier SKU:  16908
Category:  FIREARM PARTS
Finish:  Black Phosphate
Type:  Gas Block
Model:  GB750-S
Dimensions:  Length 0.875"
Size:  .750"(7.62 Barrels)
Material:  4140 Steel

Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750" (7.62 Barrels) 41 Orderable Models

List of Orderable Models

  • Lantac LA00243 .750 Gas Block Ultra Low Profile GB750-S .750'' 7.62 Barrels 41 , MPN: LA00243 , UPC: 820103732635 , Code: 2D0-RGB-LA00243
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Last updated 2026-07-18 UTC.