Specialist B2B Equipment Distributors
Free freight on orders over $199+
Free Freight on Orders $199+·Expert Welding Support Mon–Fri 8am–6pm CT·Net-30 Trade Accounts Available·Free Freight on Orders $199+·Expert Welding Support Mon–Fri 8am–6pm CT·Net-30 Trade Accounts Available
Mon-Fri 8am-6pm CT|[email protected]
WeldingProDirect.com
HomeMIG, TIGMillerMiller Spoolmate 100 MIG Gun (300371)
Miller Spoolmate 100 MIG Gun (300371) — Miller | WeldingProDirect.comIn Stock Rebate Available
Authorized Dealer
Free Freight
MIG, TIG

Miller Spoolmate 100 MIG Gun (300371)

SKU: IMIL00000096 | MPN: 300371 | Miller

$588.00$679.22Save $91.22
Manufacturer Rebate Available

Build With Blue — Up to $550 + Free Helmet

Get rewarded for choosing Miller. Receive instant rebates plus a FREE digital performance helmet with qualifying purchases of Miller welders and systems.

View rebate details →
Authorized Dealer
Direct from authorized dealer network
Ships in 1-2 Business Days
Most orders leave warehouse next day
Manufacturer Warranty
Covered by standard manufacturer warranty

Description

The Miller Spoolmate 100 MIG Gun delivers reliable aluminum welding performance for professional applications. This spool gun handles up to 135 amperes and weighs just 5 pounds for comfortable extended use. Designed for Miller welding systems, it eliminates wire feeding issues common with soft aluminum wire. The compact, lightweight design reduces operator fatigue while maintaining precise control. Ideal for welders working on automotive, fabrication, and repair projects requiring clean, consistent aluminum welds.

Specifications

Weight5 lbs
Weight (lbs)5
Amperage Max135
Welding ProcessMIG, TIG

Questions about this product?

Our welding specialists are here to help — Mon–Fri, 8am–6pm CT

Contact Us

Complete Your Setup

Miller Spoolmate 100 MIG Gun (300371)

Miller Spoolmate 100 MIG Gun (300371)

$588.00

+Lincoln Murex 309LSI Stainless MIG Wire .045 33lb Spool (ED035608)

Lincoln Murex 309LSI Stainless MIG Wire .045 33lb Spool (ED035608)

$300.00

+ESAB Sentinel A50 Welding Helmet (0700000800)

ESAB Sentinel A50 Welding Helmet (0700000800)

$299.00

+Miller Lined MIG Gloves Pkg/6

Miller Lined MIG Gloves Pkg/6

$235.00

Bundle total: $1,422.00

Customers Also Bought

Miller CST 280 Dinse-Style Stick Welder w/Meter (208-230/400-460V) (907563)

Miller CST 280 Dinse-Style Stick Welder w/Meter (208-230/400-460V) (907563)

$6,747.00

Miller ArcReach Smart Feeder with PipeWorx MIG Gun (951733)

Miller ArcReach Smart Feeder with PipeWorx MIG Gun (951733)

$10,182.00

Miller Raptor Digital Elite Welding Helmet with ClearLight Lens (289768)

Miller Raptor Digital Elite Welding Helmet with ClearLight Lens (289768)

$350.00

Miller CST 280 Tweco-Style Stick Welder w/Meter (220-230/460-575V) (907696)

Miller CST 280 Tweco-Style Stick Welder w/Meter (220-230/460-575V) (907696)

$3,877.00

WeldingProDirect

Professional welding equipment from authorized dealers — Lincoln, Miller, ESAB, Hypertherm and more.

Part of the ProDirect Group

Specialist B2B equipment distributors across North America

WeldingProDirect.comConcreteProDirect.comGeneratorProDirect.comClimateProDirect.comLiftProDirect.com

Shop

MIG WeldersTIG WeldersPlasma CuttersRebates & DealsAll Products

Top Brands

Miller ElectricLincoln ElectricESABHyperthermHobart WeldingThermal DynamicsAll 63 Brands →

Company

About UsContact UsTrade AccountsShipping Info

Support

Shipping & DeliveryReturns & WarrantyBlogPrivacy PolicyTerms of Service

Official Authorized North American Partner

Miller Electric logoLincoln Electric logoHypertherm logoESAB logo
SSL Secured
Authorized Dealer
Manufacturer Warranties
Secure Checkout

© 2026 WeldingProDirect.com — a ProDirect Group company. All rights reserved.

Authorized dealer network for Lincoln Electric, Miller Electric, ESAB and Hypertherm

United States — Serving all 50 states