
In Stock
Type
optic
Last Seen
May 19, 2026
Weaver Mounts S402 Grand Slam Base
Sold byAmmunition Depot•Posted May 19, 2026
Compare prices for Weaver Grand Slam Top Mount Extension Scope Base #S402 Matte Black$24.49
Price and stock data refresh continuously from Ammunition Depot.
Deal Summary
- Currently in stock.
- Category: optic
- UPC: 076683482471
- SKU: 48247
- Brand: Weaver
Price History
Deal Details
The S402 Grand Slam Base is a versatile and durable one-piece base designed in a sleek black finish. Crafted from high-quality steel it fits a wide range of firearms including models from renowned manufacturers such as Browning CIL Colt Cooey H&R Herters Marlin Mauser Savage Arms Sears Voere and Winchester. This weaver-style base is compatible with various models like the Browning 53 and BBR CIL 950 and 972C Colt 57 and many others ensuring a secure and stable mount for your opt
Other Offers for This Product
Active offers from your catalog for Weaver Grand Slam Top Mount Extension Scope Base #S402 Matte Black.
Comparing 6 retailers carrying this product
Lowest Price: $13.64
Highest Price: $24.49
You Save: $10.85
Avg Discount: 12% off

WEAVER GRANDSLAM BASE S402
Weaver OpticsBattleHawk ArmorySKU/UPC: 076683482471
$13.64$20.95Save 35%
View at BattleHawk Armory
Weaver Grand Slam S402 Type Top Mount Base Steel Fits Winchester 70 SA
WeaverPalmetto State ArmorySKU/UPC: 51655220814
$15.39$17.99Save 14%
View at Palmetto State Armory
Weaver S402 Grand Slam Base
WeaverGrabAGunSKU/UPC: GAG_ES-0912800
$15.79$20.95Save 25%
View at GrabAGun

Weaver Grand Slam Top Mount Extension Scope Base #S402 Matte Black
WeaverMidwayUSASKU/UPC: 876221
$21.49
View at MidwayUSA
Weaver Mounts S402 Grand Slam Base
Weaver MountsAmmunition DepotSKU/UPC: 48247
$24.49
View at Ammunition Depot