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APRH101613C Aero Precision Adjustable .625 Low Profile Gas Block - Black

Manufacturer: Aero Precision
SKU: APRH101613C
Manufacturer part number: APRH101613C
Availability: Out of stock - Currently No Backorders
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The Aero Precision Adjustable .625 Low Profile Gas Block in Black (APRH101613C) allows the user to finely tune their gas system for any application. 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.

APRH101613C Adjustable .625 Gas Block Features:

  • Standard low-profile design provides great fit under slim profile free float handguards including the Aero Precision ATLAS series of handguards
  • Adjustment screw is held in place by a spring and detent, providing repeatable audible "clicks" upon adjustment removing the need for secondary set screws that can come loose under recoil
  • Custom machined stainless steel adjustment screw provides 15 gas adjustment settings
  • Carbon fouling is channeled to a sacrificial chamber to help prevent carbon locking, as well as provide an access point for solvent in the event carbon locking does occur
  • User-serviceable design allows for service and cleaning of the gas system


  • Machined from 4140 steel
  • Nitride coated
  • Compatible with barrels utilizing a .625 gas block journal
  • Attaches to barrel via 10-32 x 3/16 knurled set screws
  • Weight: 1.4 oz


  • Assembled Adjustable Gas Block
  • One 6" 3/32 adjustment wrench for easy gas block adjustment underneath installed handguard
  • Replacement spring and detent included

Note: Red thread locker is not recommended to be used on the threads of the set screws.

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