Back to Attachments
Attachment · Mount
Strike Industries KeyMod 4 inch rail
Category
Mount
Ergonomics
-0.15
Weight
0.07 kg
Flea Price
₽11,146
Where to Buy
Mechanic (LL1)₽1,312
Flea Market (24h average)₽11,146
Frequently Asked Questions
What does the SI 4" do in Tarkov?
It is a mount with ergonomics -0.15. Ergonomics adds directly to your weapon; recoil percentages multiply its base recoil.
How much does the SI 4" cost?
It currently runs about ₽11,146 (flea market 24h average). Prices update with live tarkov.dev data.
What are alternatives to the SI 4"?
In the same slot class, look at MREX 6.5 M-LOK, MREX 6.5 M-LOK, CASV-SCAR. The related list below has the full set with links to each part's stats.