STI Spartan -w- LPA rear sight
Fixed rear sight for STI Spartan with LPA adjustable rear sight
HD-002-S/U Extreme Service rear sight
From $67.95
HD-002-S/U Plain black fixed rear sight that fits slides machined for the LPA adjustable rear sight
111-R Fit and install Harrison Design rear sight
$55.00
Labor to replace your existing rear sight, no machine work. Insured return shipping back to you is $25.50 additional