Fits barrels with .750 Outer Diameter. Adjustable .750" Low Profile Gas Block—Set Screw-Allen Key-Adjustable screw/key. MSRP: $89.00 $84.55. MSRP Price: $54.00. Nitride coated. INCLUDES: Assembled Adjustable Gas Block, One 6" 3/32 adjustment wrench for easy gas block adjustment underneath installed handguard, Replacement spring and detent included. Usually Ships in 24 Hours. Write a Review Write a Review ×. Seekins Precision Adjustable Low Profile Gas Block MSRP: $59.00 $57.00 . ar-15 low profile gas block. strike industries (in stock) 4.0 (4) ar-15/m16 low profile gas blocks. This gas block is machined with a .750 Gas Port. The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. Features: 100% USA Made. Buy Aero Precision Adjustable Gas Block - .750 Low Profile: GunBroker is the largest seller of AR15 Parts Gun Parts All: 935366202. . From the back of the gas block to the gas . All Products; AR15/AR10. Add to Cart. AR-10 .308 ArmaLite Rifle Length Gas Tube - THIS LITTLE TRICK CAN U. Made from high-strength steel, and designed for suppressed shooting you will be able to dial your rifle in with ease. SKU: N/A Categories: Gas Blocks & Tubes, Gas Blocks/Tubes, New Arrivals. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the . Only logged in customers who have purchased this product may leave a review. PSA Custom .750 Click Switch Adjustable Gas Block . $52.95 $50.30. AERO Precision Adjustable Gas Block - .750 Low Profile Lightweight. 3 models Presma AR-15 0.750 Low Profile Gas Block As Low As (Save Up to $2.00) $16.49 SLR GB7 .750 Non-Adjustable Micro Gas Block w/Pin $62.00 (Save 19%) $49.99 Rosco Manufacturing Adjustable .750 Gas Block $169.99 (Save $10.00) $159.99 6 models WMD Guns Low Profile Gas Block As Low As (Save Up to 24%) $35.99 ar-15 low profile gas block .750. aero precision (in stock) 4.1 (9) collar adjustable gas block. This adjustable gas block include the following : 1 x stainless adjustment screw; 1 x stainless locking screw; 2 x bottom set screws; 2 x hex keys; 2 x roll pins; Reviews There are no reviews yet. Barrels • Includes roll pin, screws & hex wrench. Finish Options: Stainless or Black Oxide. fortis manufacturing. Stainless steel tunable low profile gas block is designed to perfectly tune your rifle. Machined from steel and black nitride for durability. Wholesale Only (NO RETAIL SALES) Tel: +1 (559)296-0080. Description. SKU: 04-713 UPC: 819537021699. .750 Micro Low Profile Gas. Also the Adjustable low Profile Gas Block is Nitride Coated to insure durability and a long life of service on your AR Platform Rifle. Price: $144.95. The Aero Precision Low Profile Gas Block fits barrels with .750 Outside Diameter. MSRP: $29.99. The DoubleStar low profile adjustable gas block in will allow the shooter to use a free floating handguard that extends over the gas port while controlling the amount of gas cycling the weapon. $ 51.99 or 4 interest-free payments of $13.00 with ⓘ The Ergo 4822 .750 Adjustable Gas Block is designed to fit under the Ergo Modular and SuperLite™ Rail System, as well as most other manufacturer's free float handguards. SALE PRICE: $55.24. .750 Gas Ports are standard for AR-15 barrels chambered in .223 Remington, 5.56 NATO, and .300 Blackout. Handguards; Gas Blocks; Gas Tubs; . Nitride or Phosphate coating. * Marked fields are required. Black Rain Ordnance. Handgun Ammunition 628 Rifle Ammunition 880 Rimfire Ammunition 136 Shotgun Ammunition 249. Included with all DI ODIN Works barrels. American sourced pre-heated 4140 Steel. Product Videos. Notify Me. For barrels that are not pre-dimpled, we recommend using a gas block alignment tool. Compatible with barrels utilizing a .750 gas block journal; Attaches to barrel via 10-32 x 3/16 Knurled Set Screws; Includes: Assembled Adjustable Gas Block; One 6" 3/32 adjustment wrench for easy gas block adjustment underneath installed handguard; Replacement spring and detent included; FREE Gas Tube Roll Pin courtesy of Bexar Arms! . Out of stock. Set screws are steel 10-32 x 3/16 knurled cup point. Weight: 2.10 oz (includes detent ball, screws and pin). Remember Me. Provided is a long allen wrench so you can adjust it even if your gas block is inside your handguard. evolv low profile gas block - .750. It is suggested that a REMOVABLE thread locker of your choice be used on the screws. Attaches to barrel via 10-32 x 3/16 knurled set screws; Includes: Assembled Adjustable Gas Block; One 6" 3/32 adjustment wrench for easy gas block adjustment underneath installed handguard; Replacement spring and detent included Our . Description. The gas block is 1.38" tall 1" in length and is .625" from bore center to gas tube. ergo grip The low profile gas block for .750 diameter barrel is constructed of 1141 high strength steel with a nitrite finish. DESCRIPTION The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. Gas Block - .750 Adjustable Low Profile STAINLESS STEEL Gas Block -Clamp-On AR15 OUR PRICE: SALE PRICE: $29.95 Was: AR15 223 5.56 Stainless Steel Gas Block .750 Adjustable Clamp-On Low Profile Gas Block for .750" O.D. You Save: $4.95 (5 %) Quantity: We currently have 5 available. Fits .750″ diameter barrels. This block is attached to your barrel by compression which is attained by tightening the three screws on the bottom. Adjustable Low Profile Gas Block-.750". MSRP: $29.99 Your Price: $23.99 — You save $6.00 Current Stock: . Troy Low-Profile Gas Block .750 - SGAS-A4L-00BT-00 . Machined of steel, phosphate finish, for .750 barrels. Share. 750 diameter set-screw style. Constructed from 4140 hardened steel. The ODIN Works clamp on adjustable gas block will fit any barrel with .750″ diameter and works with any caliber. Our AR15 STANDARD Gas Blocks are American-made. Machined from steel and black nitride finished, this block includes 2 set screws to hold the block in place, a . Our Price: $94.05. Quick View. Dealer Login; My Account. Rating: 100%. Chamfered roll pin hole for easy assembly. Odin Works Adjustable Low Profile Gas Block .750 AR15 AR-15 Our low profile adjustable gas block is manufactured to ensure the proper function of the gas system. Please view details for more information. Manufactured within very tight Mil-Spec tolerances on all ID's. 1 star 2 stars 3 stars 4 . Adjustments are made via a 5/64″ set-screw and a 5/64″ retaining screw ensures the system remains locked, no need for Locktite. AR ULTRALIGHT SERIES SKELETONIZED ADJUSTABLE STEEL LOW PROFILE GAS BLOCK. Restrictive type gas block. barrels Stainless Steel gas block lets. AR15 223 5.56. Quantity: Add to Wish List. Not for use with pistol length gas systems. KVP-GB-750-A - Kaw Valley Precision AR-15 .750 Adjustable Low Profile Gas Block - AR15Discounts Home / Upper Parts / Gas Blocks Kaw Valley Precision AR-15 .750 Adjustable Low Profile Gas Block - KVP-GB-750-A Save 11 % MSRP: $ 44.95 $ 39.95 Out of stock Join the waitlist to be emailed when this product becomes available Join Waitlist Wojtek Weaponry ARKTO .750 Set Screw Adjustable Gas Block. Seekins Low Profile Gas Block Allows you to adjust the amount of gas with just the turn of a screw View Details This gas block has a 'low-profile' design and is made . This gas block size is known for its reliability it assisting the rifle function in regular and adverse conditions. Aero Precision does not recommend using permanent (red) thread locker on the set screw . JP Enterprises Adjustable Clamp On Gas Block AR-15, LR-308 0.750" Inside Diameter Low Profile Stainless Steel Black 7 Reviews $113.95 View Options Strike Industries Collar Adjustable Gas Block AR-15, LR-308 .750" Inside Diameter Steel Matte 23 Reviews $99.95 View Options Superlative Arms Adjustable Bleed-Off Gas Block Clamp On AR-15, LR-308 Manaufactured from 416 Stainless Steel. No rifle deserves low-quality parts. This gas block offers adjustable control of gasMinimal-profile replacement for factory front sight/gas . The low-profile gas block from Odin Works is an adjustable block that allows you to fine-tune the gas flow. This gas block has a 'low-profile' design and is made to fit underneath a free-float handguard. Weighing in at 1.5oz, this .750 gas block is fully adjustable via a screw in the front and lockable via a screw in the side. BCM Low Profile Gas Block for AR15, M16, M4, M4A1. . Odin Works, .750 Adjustable Low Profile Gas Block, Black Nitride. mission first tactical. low profile gas block .750 stainless steel. Block is .920 in width and comes with a roll pin. Rating. Weight: 1.90 oz (includes screws and pin). Description SAVE on this adjustable gas block and gas tube combo during our Black Friday Sale! Add to Wish List Add to Compare. Made in the USA. SKU # SABO-DI-750SM The Superlative Arms Patented "Bleed Off", direct impingement, gas block for the AR-15/AR-10/LR-308 platform adjusts the gas flow by bleeding the gas out of the front of the block instead of restricting the flow like conventional adjustable blocks. Aero Precision Adjustable Low Profile Gas Block .750 AR15 AR-15. Low-Profile .750 Adjustable Gas Block quantity. - Metering screw and screw bore design allows repeatability and . ADJUSTABLE gas blocks. Adjustable .750" Low Profile Gas Block—Set Screw-Allen Key-Adjustable screw/key Manaufactured from 416 Stainless Steel Machine finished Closed end gas tube hole Unlike other adjustable gas blocks this has easy access from the front. Description. Add to Cart. Categories . The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. The AM-15 Adjustable Low Profile Gas Block Assembly is made here in Hebron, KY, USA. DetailsThe Aero Precision low profile gas block is manufactured from hardened 4140 steel with a corrosion resistant salt bath nitride finish to protect it for the entire lifespan of your rifle. Odin Works AR-15 TUNABLE Low Profile Stainless Steel Gas Block. Your AR is no exception. $49.95. Description. $56.95 $54.10. Anytime you install a new gas block we recommend always use a loctite for the set screws, that can be found HERE! ar-15 2-pc detent adjustable low profile gas block. Gas System Parts ERGO Adjustable Low Profile Gas Block AR-15, LR-308 Standard Barrel .750" Inside Diameter Steel Melonite Shop All slr rifleworks (in stock) - 5.0 (1 . Add to Cart. Calculated at Checkout. The KVP gas tube retention pin, gas adjustment screw . Combine them with one of our barrels, and create an unstoppable pairing. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking to mitigate recoil. This gas block is machined with a .750 Gas Port. 8-32 adjustment screw from muzzle end. MSRP Price: $99.00. The cost is about $90. MSRP: $34.99 $34.49. Minimal-profile replacement for factory front sight/gas block won't interfere with extended-length tactical forearms, while ensuring proper function of gas system for reliable cycling. .750 Low Profile Adjustable Gas Block. $59.99 $56.05. odin works inc. (in stock) - 4.1 (18) ar-15 sentry adjustable gas blocks steel set screw. Click for Price. Description. Your Price: $89.99 Other gas blocks are tunable, but the Adjustable Gas Block from ODIN Works is truly adjustable and . Part #: FA-AU-068-750-T. Breek Arms Low Profile Set Screw style Gas Blocks for the AR-15 or AR-10 (LR308) are machined with high quality steel and nitrided. Fits .750" diameter barrels. Gas Block .750 Adjustable Low Profile Gas Block AR15. The KVP gas tube retention pin, gas adjustment screw, and the gas-block all install/adjust with the same 3/32 . <p>KVP's adjustable low profile gas blocks are designed with the builder in mind. Technical Specs. Adjustable gas blocks are crucial for controlling the the amount of gas that enters your AR15 . Breek Arms Low Profile Set Screw style Gas Blocks for the AR-15 or AR-10 (LR308) are machined with high quality steel and nitrided. . KVP Gas Blocks feature a threaded gas tube retention pin that eliminates the installation awkwardness surrounding tiny gas tube roll pins! Aero Precision M5 15" ATLAS S-ONE M-LOK Handguard, Black . Mine was recessed 1.25" in from the end of the handguard. superlative arms llc (in stock) - 4.6 (11) ar-15/m16 adjustable gas block. MCS.750" Adjustable Low Profile Gas Block, Black Steel . Manufacturer: Aero Precision. Great for Rifles with Pinned Muzzle Devices in States requiring Pinned Muzzle Device. .750 Diameter Fully Adjustable For Gas IntakeUS MadeBlack N. Add to Cart. . AimSurplus, LLC. Included: .750 Adjustable Steel Gas block X2 Set Screws X1 Gas Tube Roll Pin Ghost Firearms Adjustable Low Profile Gas Block .750. Stainless steel tunable low profile gas block is designed to perfectly tune your rifle. MSRP: $64.99 SALE PRICE: $62.00. Set Screws are Steel 10-32 x 3/16 Knurled Cup Point. Cart; Search for: Home; NEW ARRIVALS; On Sale; SHOP. Add Product Review: You're reviewing: Ar15 Adjustable Low Profile Gas Block .750 Your Rating. Constructed of nitrided steel with a stainless adjustment screw and spring, they are marketed for .750-inch diameter barrels. Minimal-profile replacement for factory front sight/gas block won't interfere with extended-length tactical forearms, while ensuring proper function of gas system for reliable cycling. .750 Gas Ports are standard for AR-15 barrels chambered in .223 Remington, 5.56 NATO, and .300 Blackout. AR - Upper Parts. Description. Fits .750" diameter barrels. Allows the user to quickly fine-tune their gas system for their specific loading and buffer set up, ensuring light, smooth recoil and enhanced reliability. Rating: 82%. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking . Fits inside all ODIN Works Forends. Quantity: * Whole number only. Machined from 4140 steel with a black nitride coated finish, this Aero Precision low profile adjustable gas block is for AR-15 and AR-10 rifle platforms chambered .223 Rem, 5.56x45mm, .308 Win, 7.62x51mm, and .300 Blackout. Now available in Clamp on or Set Screw. Our Adjustable gas block is a click adjustable, giving you positive 1/4 turn clicks. $15.95. Fits under free-float handguards on .750" O.D. Adjustable Low Profile Gas Block, 0.750" Black Steel. Choose No Aero Logo or Aero "A" Logo blocks. Show only products on sale In stock only. Machine finished. low profile gas block .750 - black. SKU: 3000-4101. 20 adjustment points allow you to give it the ideal setting for your AR-15. This Odin Works adjustable gas block is specifically designed to ensure proper function of the gas system. I want to know when this product becomes available. Buy Aero Precision Adjustable Gas Block - .750 Low Profile: GunBroker is the largest seller of AR15 Parts Gun Parts All: 935064696. . The ODIN Works Adjustable Low Profile Gas Block is made of Carbon steel, has a Black Nitride finish, an Inconel Alloy adjustment screw and Inconel Alloy spring for high temperature use. Sale Price: $51.30. BLEM Wojtek Weaponry .750 Adjustable Low-Profile Gas Block, Set Screw BLEM. Add to Wish List Add to Compare. - 100% Gas seal allows full cut off and prevents gas from fouling metering screw. Odin Works .750" Adjustable Low Profile Gas Block. Compatible with barrels utilizing a .750 gas block journal (.625, .875 and .936 coming soon!) Usually Ships in 24 Hours. 4-40 locking set screw. Specifications: Machined from 4140 hardened steel. bravo company . Set it and forget it! Quick view. 0 in stock (0) $39.00 $36.00 Sale. add to cart. Sale Price: $28.49. Sentry .750" Clamp On Version - Melonite Finish. Allows for 20 points of adjustment from gas port restricted, to fully open. Qty: *. Send. Seekins Precision Low Profile Adjustable Gas Block - .750 Seekins Precision Adjustable Gas Block is designed to tune your AR Rifle gas system for smoother cycling and operation. Buy Now. This block is perfect for an operator to tune their gas system and once installed allows for reduced blowback and . INCLUDES: Assembled Adjustable Gas Block, One 6" 3/32 adjustment wrench for easy gas block adjustment underneath installed handguard, Replacement spring and detent included. Availability: IN STOCK. Adjustment screw is located on the front of the gas block for easy adjustments. Manufactured. Quick View. .750 Gas Ports are standard for AR-15 barrels chambered in .223 Remington, 5.56 NATO, and .300 Blackout. With a low-profile design to fit under almost any free float handguard on the market, so you can fully customize your rifle. Description The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. The adjustment screw clicks and locks in place to make sure your settings do not change. ar-15 adjustable gas block .750" clamp on. This Gas Block is made from 12L14 Steel with a Nitrite finish and is compatible with a .750 diameter Barrel. Item #: APRH101614C. The low profile stance of the Aero low pro gas block allows it to fit under most free-floating handguards without concerns about clearance. Seekins Precision Low Profile Standard Adjustable Gas Block - .625 . Skip to content. seekins precision (in stock) 4.2 (9) ar-15 low profile gas block .750 . Black Rain Ordnance .750 Adjustable Gas Block. Get the best AR-15 gas blocks, tubes and pistons from the best brands right here. One 6" 3/32 adjustment wrench for easy gas . About this Gas Block: This gas block is machined with a .750 Gas Port. Ammo 1895. These AR-15 gas blocks are made in the U.S.A. and include a set of steel 10 . Odin Works .750″ Adjustable Low Profile Gas Block. Attaches to barrel via 10-32 x 3/16 knurled set screws. FREE SHIPPING APPLIES TO ENTIRE CART. Midwest Industries Micro Gas Block .750 MI . Odin Works Tunable Stainless Steel .750 Micro Gas Block. Includes: Assembled Adjustable Gas Block. Also, Regulating gas used to cycle the action allows tuning the rifle's operation to a specific load. Includes gas tube roll pin and set screws, allen key. User-serviceable design allows for service and cleaning of the gas system. 815421028218. Custom Field. ODIN Works Adjustable Gas Block Watch on Features Not for use with pistol length gas systems and high pressure rounds. The ODIN Works adjustable gas block will fit any barrel with .750" diameter and works with any caliber. Please note: We do not recommend the use of red thread locker on the . Fits inside all ODIN Works Forends. Pinterest. Steel gas block lets you adjust the amount of gas flow, so you can tune gas . low profile adjustable gas block .750. Results: The pressure used in the block is reduced Made from Carbon Steel. MSRP: $54.00. OUR PRICE: SALE PRICE: Protrudes only .420" above barrel, covers less than 1" of barrel length, and . PSA Custom .750 Skeletonized Standard Gas Block - 116039 . Includes: .750 Adjustable Gas Block Stainless Steel Mid-Length Gas Tube Gas tube comes installed in gas block 0 in stock (0) $70.00. An adjustable gas block is designed to allow you to fine-tune the gas needed to run the system. With an unusual number of stops, 20 separate places to truly fine-tune the gas flow, it provides tremendous adaptability. - Complete disassembly is simple and take less than 10 seconds. 226 in stock (2) Select Options. This block utilizes 2 set screws to hold it in place, a stainless steel adjustment screw, stainless steel lockdown screw, and a standard 5/64"x5/16" gas tube roll pin. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or . Adjustable Gas Block Specifications: Includes set screws Nitride Finish - Black 4150 chromoly Steel Machined in the USA Weighs 2 oz Gas Block Internal Diameter 0.750 Fits inside all handguards and Quad Rails . Perfect for any rail system, these low profile adjustable gas blocks are the ideal companion for barrels with a standard diameter gas journal. . AR-10 .308 ArmaLite Rifle Length Gas Tube - Add Extra Length for Undergassed DPMS 308s! Our Stainless Steel Low Profile Gas Blocks will fit almost any hand guard design. Roll Pins, Set Screws, and Allen Wrench are included with this gas block. Easy adjustments with 1/4 turn increments for fine tuning! superlative arms llc (in stock . Low profile for easy fitment. 0.750 Inside Diameter $33.99. add to cart. Compatible with barrels utilizing a .750 gas block journal. $ 55.00. fortis manufacturing. barrels. The Aero Precision Low Profile Gas Block comes machined to fit barrels with an outer diameter of either .625, .750 or .875 inches. Barrel OD: .750. In Stock. Add to cart. *Roll pin not included*. This gas block size is known for its reliability it assisting the rifle function in regular and adverse conditions. Provided is a long allen wrench so you can adjust it even if your gas block is inside your handguard. KAW Valley Precision AR-15 .750 Adjustable Gas Block. Our Adjustable gas block is a click adjustable, giving you positive 1/4 turn clicks. Product Reviews. This Gas Block has 20 clicks of ball detent adjustment, weighs 2.10 oz, and a Detent ball, cross pin, set screws, and hex wrenches. This tried-and-true gas block by Odin Works comes equipped with set screws and a roll pin, along with . Faxon Firearms AR-15 .750 3 Screw Ultra Low Profile Gas Block. Machined of steel, phosphate finish, for .750 barrels. The gas block is held in place by 2 10-32 set screws. Bravo Company Machine Low Profile Gas Block for AR15 .750" BCM Low Profile GasBlock for AR15, M16, M4, M4A1. Register. Lok-Tite thread locker recommended . Select Options. Closed end gas tube hole. Wojtek Weaponry ARKTO .750 Stainless Adjustable Gas Block. Steel gas block lets you adjust the amount of gas flow, so you can tune gas output for reliable extraction and ejection with different ammo types. You can get better performance outta your suppressor. Tiger Rock .750 Low Profile Micro Gas Block and Sliver Pistol Length Gas Tube, Assembled (GTP, GB01-B) $27.99 Luth-AR AR-15 Adjustable Gas Block .750 ID (3) $27.99 (Save 21%) $21.99 2 models Kaw Valley Precision AR-15 Standard Gas Block (2) $29.95 (Save 17%) $24.95 Anderson Manufacturing Adjustable Steel Gas Block (8) $85.99 (Save 30%) $59.95 Show *Roll Pin NOT included*. This gas block size is known for its reliability it assisting the rifle function in regular and adverse conditions. Weight: 2.25 oz (includes detent ball, screws and pin). This product isn't available right now. Low Profile: Fits inside hand guards with 1.35+ dia. Ar15 Adjustable Low Profile Gas Block .750 : Product Brand : ANDERSON MANUFACTURING : UPC Number : 712038921614 : MPN : G2-L054-D000-0P : Write Your Own Review. j p enterprises (in stock) 3.3 (7) ar-15 adjustable gas block .625" clamp on. The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. When it comes to your AR build, every detail matters. KVP Gas Blocks feature a threaded gas tube retention pin that eliminates the installation awkwardness surrounding tiny gas tube roll pins! It is engineered for suppressed/unsuppressed configurations with 20 adjustment click points allowing optimal operations settings. $34.99. Odin Works .750 Clamp on Adjustable Low Profile Gas Block. This allows shooters to tune their rifle for different ammunition types, for different weight internals, and of course suppressor use. Aero Precision. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking to mitigate recoil. Features: KVP's adjustable low profile gas blocks are designed with the builder in mind. This gas block has a 'low-profile' design and is made to fit underneath a free-float handguard. $64.99. Aero Precision APRH101614C Low Profile Adjustable Gas Block .750 AR15/AR 308 Black Nitride Steel. Whether you're looking for low-profile gas blocks, adjustable gas blocks, tubes, pistons, pins or screws, we have the components you need to build the perfect AR-15. Add selected to cart. Adjustment: (Front) Receiver Side Adjustment Locking Screw. Set it and forget it! Select all. JoeBob dun saved you $1.50! GREAT for SBR Platforms that operate Suppressed and . The low profile features compatibility with most hand-guards requiring a low profile gas block. Aero Precision Low Profile Adjustable Gas Block, .750. We Found a Deals on .750 Skeletonized Low Profile Adjustable Gas Block at 3CR Tactical then compare prices, ratings, and reviews over 90+ Online Merchants like SteepandCheep.com. • Fits 0.750" Diam. Product Description. Construction: Two Piece Clamp Style. Pinterest. Chase the Best Deals on the internet with GearChase.com for Ski, Snowboard, Camping and other outdoor gear. Black Nitride coating. Aero Adjustable Gas Block - .750 Low Profile quantity.