Brand
Aero PrecisionAero Precision 3
Bootleg, IncBootleg, Inc 1
Bravo Company USA (BCM)Bravo Company USA (BCM) 2
CMMGCMMG 1
Forward Controls DesignForward Controls Design 1
Geissele AutomaticsGeissele Automatics 1
Lantac USALantac USA 1
Q - Live Q or DieQ - Live Q or Die 1
Rosco ManufacturingRosco Manufacturing 1
San Tan TacticalSan Tan Tactical 1
Seekins PrecisionSeekins Precision 1
SLR RifleworksSLR Rifleworks 4
Sons of Liberty Gun WorksSons of Liberty Gun Works 1
Gas Blocks
Geissele Super Gas Block
In stock
$86.12The Geissele Super Gas Block is a low-profile gas block, designed to fit under most free-floating handguards. Precision investment cast from 17-4 precipitation hardening stainless steel, the gas block provides corrosion resistance and strength to withstand thousands of rounds and never let you down.
- Color: Black
- Inner Diameter: .750″
- Compatibility: AR10/AR15
- Material: Precipitation Hardened Stainless Steel
- Includes: Coil Pin, 2 Set Screws, Gas Tube Coil Pin, and Alignment Pin
Forward Controls Design .750 Gas Block
Out of stock
$57.00GBF (Gas Block Forward Controls) is a 0.750 gas journal gas block done FCD way: meticulously designed and machined, with thoughtful features throughout.
- Machined from heat-treated 4140 bar stock
- GBF is manganese phosphate coated
- GBF holds rather tight tolerances to squeeze every bit of tight seal we can from the design.
- Proudly designed and made in the USA.
SLR Rifleworks .750″ GB7 – Set Screw Gas Block
Out of stock
$42.99 – $69.98GB-7 Micro Gas Block .750 Set Screw
- Super high-quality gas blocks
- .400″ Set Screw Spacing
- 4140 Billet Steel
- Melonite QPQ Finish
- Set screws and roll pin included
SLR Rifleworks .625″ GB6 – Set Screw Gas Block
Out of stock
$42.99 – $69.98GB-6 Micro Gas Block .625
- 41 grams
- .400″ Set screw Spacing
- Super high-quality gas block
- 4140 Billet Steel
- Melonite QPQ Finish
- Set screws and roll pin included
SLR Rifleworks .750″ Sentry 7 – Set Screw Adjustable Gas Block
Out of stock
$141.99 – $168.98Sentry .750″ Set Screw Version – Melonite QPQ Finish
- .400″ Set Screw Spacing
- 1.3 oz
- 15-position adjustability from 0 – 0.125″ port opening
- Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver
- Single tool click to adjust gas metering
- Melonite finish 4140 Precision machined gas block
- Melonite finish 4140 Nexturn Swiss precision metering screw
- Stamped Alloy Flat Spring with 1400deg temper
- Melonite finish 4140 detent plunger
- Uses standard gas tube
- US PATENT NO. 9,410,756
- Tool, roll pin and mounting screws included
Note- If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine. There is no difference in the blocks just the front set screw location.
SLR Rifleworks .625″ Sentry 6 – Set Screw Adjustable Gas Block
Out of stock
$125.99 – $149.98Sentry .625″ Set Screw Version – Melonite Finish
- .400″ Set Screw Spacing
- 1.3 oz
- 15-position adjustability from 0 – 0.125″ port opening
- Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver
- Single tool click to adjust gas metering
- Melonite finish 4140 Precision machined gas block
- Melonite finish 4140 Nexturn Swiss precision metering screw
- Stamped Alloy Flat Spring with 1400deg temper
- Melonite finish 4140 detent plunger
- USES STANDARD GAS TUBE
- Tool, roll pin and mounting screws included
- US PATENT NO. 9,410,756
Note – If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine. There is no difference in the blocks just the front set screw location.
CMMG .625 Low Profile Gas Block and Gas Tube Builder
In stock
$44.41 – $56.824140 Chrome Moly Steel low profile gas block. 0.625″ Inner Diameter.
- Includes installation screws
- Optional gas tube available
- Gas tubes include roll pin
Lantac USA Ultra Low Profile .750″ Gas Block and Gas Tube Builder
Out of stock
$62.99 – $84.98Manufactured 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.
- 4140 Gun Barrel Steel.
- Black Phosphate Finish, Type M.
- Laser Engraved.
- Ultra-Low Profile.
- Diameter: 0.750” ID.
- Length: 0.875”.
- Weight: 1.2oz.
- Made in the USA.
- Choose from a selection of gas tube lengths
San Tan Tactical Low Profile .750″ Gas Block and Gas Tube Builder
Out of stock
$37.85 – $59.98The STT Low Profile Gas Block is a low and narrow, one-piece block designed to fit inside most free-float handguards; allows the use of rifle length forearms on carbine length barrels for a clean, streamlined look and added gripping surface. Securely attaches to the barrel with included dual hex head setscrews. Precision machined from 304 Stainless Steel, San Tan Tactical AR15/AR10 Gas Tubes have an extremely durable black Nitride finish that increases corrosion resistance, wear resistance, fatigue strength and cosmetic appeal while ensuring consistent gas flow to help your rifle cycle properly. Made in the USA with a 100% Lifetime Warranty.
- Gas Block Machined from 17-4PH Stainless Steel
- Gas Block Weight: 0.66 oz
- Gas Block Dimensions: 1.35″ x 1″
- Made in the USA
Bootleg Low Profile .750″ Gas Block and Gas Tube Builder
Out of stock
$43.90 – $46.90Fine-tune your AR’s gas system with a Bootleg, Inc. Low Profile Gas Block and Gas tube. Regulate your AR’s gas from the initial combustion back to the bolt carrier group, helping your rifle cycle quickly and seamlessly. The Bootleg low profile gas block has a .750” diameter to work with most options, including Bootleg upper assembly options. Made from .4140 steel for durability with Salt Bath Nitriding (SBN) coating for uniform protection. Choose from three-length Gas tube options to ensure you’re getting the best custom AR parts for your modification preferences.
- Made from stainless steel for durability
- Salt Bath Nitriding (SBN) coating for uniform protection
Bravo Company BCM Low Profile Gas Block for .625 Barrels
Out of stock
$46.02BCM® Low Profile Gas Block for AR15, M16, M4, M4A1.
- Machined of steel, phosphate finish, for .625 barrels.
- Manufactured within very tight Mil-Spec tolerances on all ID’s.
- Barrel ID honed after finish per USGI TDP.
- Made by Bravo Company MFG, Inc. with set screw mounting.
- Set Screws are Steel 10-32 x 3/16 Knurled Cup Point
Bravo Company BCM Low Profile Gas Block for .750 Barrels
Out of stock
$46.02BCM® Low Profile Gas Block for AR15, M16, M4, M4A1. Machined of steel, phosphate finish, for .750 barrels.
- Manufactured within very tight Mil-Spec tolerances on all ID’s.
- Barrel ID honed after finish per USGI TDP.
- Made by Bravo Company MFG, Inc. with set screw mounting.
- Set Screws are Steel 10-32 x 3/16 Knurled Cup Point