![Knight's Armament SR-25/M110 Double High Picatinny Gas Block Knight's Armament SR-25/M110 Double High Picatinny Gas Block](https://cdn11.bigcommerce.com/s-xock0/images/stencil/300x300/products/3108/4744/25190_Knights_Armament_SR25_Double_Picatinny_Gas_Block_1__01200.1434669352.png?c=2)
![Knight's Armament SR-25/M110 Double High Picatinny Gas Block Knight's Armament SR-25/M110 Double High Picatinny Gas Block](https://cdn11.bigcommerce.com/s-xock0/images/stencil/160w/products/3108/4746/25190_Knights_Armament_SR25_Double_Picatinny_Gas_Block_2__44276.1434669881.png?c=2)
The Knight's Armament SR25 gas block coiled spring pin (roll pin) is used in SR25 gas blocks utilizing a locating pin on the top edge of the barrel, below the gas tube. These are replacements and can be used with the M110 double high gas blocks.
Specifications: