AR15 Front Sight Bases (FSB)
Things to consider about AR- 15 Front Sight Bases / Gas Blocks
- gas tube
- gas tube pin
- front sight
- gas block
- F-marked front sight bases (FSB)
- taper pins vs. straight pins
- parkerize under the FSB
AR-15 Front Sight Bases (FSB) Parts List
- AR15 Front Sight Post A2 (Square)
- AR15 Front Sight Base w/ Bayonet Lug
- AR15 Front Sling Swivel
- AR15 Front Sight Post A1 (Round)
- AR15 Front Sight Taper Pin(x2)
- AR15 Front Swivel Rivet
- AR15 Front Sight Detent
- AR15 Front Sight Spring
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