20% off
Price history at GrabAGun
Recorded at GrabAGun since Oct 9, 2026: low $45.59 (Oct 9, 2026), high $51.49 (Oct 31, 2026). Last checked Nov 1, 2026.
From the store's product feed and AvantLink's price records; feeds can lag the store's own site.
Product Description
Get the best deal on the Fab Defense Rear Back-Up Sight FX-RBS Rifle Sights at GrabAGun.com. Get the best deals on Rifle Sights for sale online at GrabAGun! Fab Defense for sale online. Flat rate shipping on all guns and ammo with the best prices around!
Fab Defense Rear Back-Up Sight AR-15 M4 M16 Folding
at GrabAGun
$51.49
$64.00
20% Discount
You save $12.51
In Stock
at GrabAGun
Price verified today
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Product Details
Brand
Fab Defense
MPN
FX-RBS
