![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/1280x1280/products/772/10532/FSGB_S1_Web__33360.1722375666.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/1280x1280/products/772/6962/FSGB_Qtr2_Web__53165.1722375665.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/1280x1280/products/772/6961/FSGB_Qtr3_Web__85372.1722375665.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/1280x1280/products/772/6959/FSGB_B1_Web__48581.1722375665.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/1280x1280/products/772/6963/FSGB_Qtr1_Web__06032.1722375665.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/1280x1280/products/772/6964/FSGB_F1_Web__47245.1722375665.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
![AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]](https://cdn11.bigcommerce.com/s-7qieja1bmy/images/stencil/500x659/products/772/10532/FSGB_S1_Web__33360.1722375666.jpg?c=2 "AR-15 A2 Front Sight Post Gas Block with Bayonet Lug [FSGB]")
223/5.56 A2 Front Sight Post with Gas Block and Bayonet Lug. SKU FSGB
Replacement A2 Front Sight Post for 223/5.56 with 0.750" diameter barrels.
Comes with (2) pins for the post and (1) gas block/tube pin.
Fits AR-15 0.750" diameter barrels.
MAP $23.49
MSRP $29.99
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