What tool do I need to install the set screws?

Small Allen wrench which is come with the package

I want to buy this for friend he is kind lets us borrow his shotgun. this is model Winchester defender upc048702114090

I bought this for my Winchester SXP Marine Defender and it fits well. Although my Defender is a slightly different model than yours, the unit mounts to the top of the weapon via the standard factory accessory / optic mounting holes, so it should fit yours as well.

Will this fit an SX4?

If it has the four screws on top and doesn't interfere with the action then yes it should work.

Would this fit a stevens 320 defense 12ga.?

I can’t say, but it fit my Winchester perfectly.

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Monstrum Side Saddle Shell Holder Compatible with Winchester SXP Defender / 1300 Model Shotguns | 12 Gauge

Product ID: 477147304

🔫6-shell capacity

⚙️Picatinny/Weaver mount ready

🛠️No gunsmithing install

$U2925

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Description

🔫 Reload like a pro, mount like a boss.

EFFORTLESS INSTALLATION - Installs easily with included set screws—no gunsmith needed, no downtime.
READY FOR RAPID RELOADS - Holds up to six 12 gauge shells for instant access when it counts.
UNIVERSAL OPTIC COMPATIBILITY - Mounts Picatinny or Weaver scopes and red dots to customize your setup.
BUILT TO LAST WITH LIFETIME GUARANTEE - Crafted from durable aluminum and backed by Monstrum’s lifetime warranty for peace of mind.
PRECISION FIT FOR WINCHESTER SXP DEFENDER 1300 - Engineered specifically for your shotgun model to ensure perfect alignment.

The Monstrum Side Saddle Shell Holder is a precision-engineered aluminum accessory designed exclusively for 12 gauge Winchester SXP Defender and 1300 shotguns. It securely holds six shells and supports Picatinny or Weaver optics, installing easily with included hardware and backed by a lifetime guarantee.

Specifications

ASIN	B0BGMW52VL
Best Sellers Rank	#114,962 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #350 in Hunting & Shooting Gun Stock Accessories
Brand Name	Monstrum
Customer Reviews	4.6 4.6 out of 5 stars (175)
Date First Available	September 27, 2022
Item Package Dimensions L x W x H	6.69 x 2.48 x 1.93 inches
Manufacturer	Monstrum
Material	Aluminum
Package Weight	0.19 kg
Part Number	RM241

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$U2925

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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