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.625 AR-15 Gas Blocks

81 products · page 1 of 3

A .625-inch gas block fits pencil and lightweight AR-15 barrels, whose gas block journal is slimmer than the usual .750. These gas blocks all have a .625 bore, mostly low-profile designs for free-float handguards. Measure your barrel's journal or check its listing first: a .750 block won't seal on a .625 journal.

Compare .625 gas blocks from every store we track.

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AR-15 Adjustable Gas Block .625" Solid MeloniteSuperlative Arms———$89.996 storesIn stock
Sentry Gas Block .625 Adjustable Steel Set ScrewSLR Rifleworks———$141.642 storesIn stockSale
AR-15 Adjustable Gas Block .625" Clamp On MeloniteSuperlative Arms———$89.996 storesIn stock
V Seven TITANIUM .625 GAS BLOCK SET SCREW IONBOND BLKV Seven Weapon Systems———$94.091 storeIn stockSale
Adjustable Left Hand AR-15 Adj Piston System W/Solid .625" Gas Block Carbine LHSuperlative Arms.625.625——$260.995 storesIn stock
Adjustable Left Hand AR-15 Adj Piston System W/Solid .625" Gas Block Midlength LHSuperlative Arms.625.625——$260.995 storesIn stock
Adjustable Left Hand AR-15 Adj Piston System W/Solid .625" Gas Block Rifle LHSuperlative Arms.625.625——$260.995 storesIn stock
Adjustable Right Hand AR-15 Adj Piston System W/Solid .625" Gas Block Carbine RHSuperlative Arms.625.625——$260.995 storesIn stock
Adjustable Right Hand AR-15 Adj Piston System W/Solid .625" Gas Block Midlength RHSuperlative Arms.625.625——$260.995 storesIn stock
Adjustable Left Hand AR-15 Adj Piston System W/Clampon .625" Gas Block Carbine LHSuperlative Arms.625.625——$260.994 storesIn stock
Adjustable Left Hand AR-15 Adj Piston System W/Clampon .625" Gas Block Mid LHSuperlative Arms.625.625——$260.995 storesIn stock
AR-15 Clamp On Adjustable Gas Block .625" StainlessSuperlative Arms.625 · Stainless Steel.625Stainless Steel—$89.995 storesIn stock
AR-15 Clamp On Titanium Adjustable Gas Block .625" BlackSuperlative Arms.625 · Black.625—Black$188.995 storesIn stock
AR-15 Clamp On Titanium Adjustable Gas Block .625" GraySuperlative Arms.625 · Grey.625—Grey$188.995 storesIn stock
AR15 Gas Block Assy, Low Profile, .625CMMG.625.625——$29.997 storesIn stock
AR-15 Micro Gas Block .625 BlackMidwest Industries.625 · Black.625—Black$41.955 storesIn stock
AR-15 Solid Adjustable Gas Block .625" Stainless SteelSuperlative Arms.625 · Stainless Steel.625Stainless Steel—$89.996 storesIn stock
AR-15 Solid SS Adjustable Gas Block .625" TanSuperlative Arms.625 · Coyote Tan.625—Coyote Tan$89.995 storesIn stock
AR-15 Solid Titanium Adjustable Gas Block .625" GraySuperlative Arms.625 · Grey.625—Grey$188.995 storesIn stock
Low Profile .625 Adjustable Gas Block 3-Screw For AR-15Faxon Firearms.625.625——$73.606 storesIn stock
AR-15 .625 Gas Block Nitride FinishSons Of Liberty Gun Works.625 · Nitride.625Nitride—$53.492 storesIn stockSale
Adjustable Right Hand AR-15 Adj Piston System W/Solid .625" Gas Block Rifle RHSuperlative Arms.625.625——$260.995 storesIn stock
Adjustable Right Hand AR-15 Adj Piston System W/Clampon .625" Gas Block Carbine RHSuperlative Arms.625.625——$260.995 storesIn stockSale
Adjustable Right Hand AR-15 Adj Piston System W/Clampon .625" Gas Block Mid RHSuperlative Arms.625.625——$260.996 storesIn stockSale
Low Profile .625 Gas Block 3-Screw For AR-15Faxon Firearms.625.625——$34.008 storesIn stock
AR-15 Solid Titanium Adjustable Gas Block .625" BlackSuperlative Arms.625 · Black.625—Black$188.992 storesIn stockSale
AR-15 Skeletonized Lo-Pro Gas Block .625 Steel MP BlackSadlak Industries.625 · Black.625—Black$20.995 storesIn stock
Gas Blocks Low-Profile, .625" Bore Dia., SteelSadlak Industries.625.625——$18.992 storesIn stockSale
AR-15/M16 .625 Low-Profile Gas BlockBravo Company MFG.625.625——$43.998 storesIn stock
Block DI Builders Kit With Solid .625" Gas Black Midlength RHSuperlative Arms.625 · Black.625—Black$198.872 storesIn stockSale
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