SKU CSSI|MWMISP12M Category

Midwest SP Series 12″ M-Lok Handguard

Midwest SP Series 12″ M-Lok Handguard

$183.95

10 in stock

  • Extremely rugged one piece free float design and construction
  • Featuring seven sides of M-LOK(TM) compatible slots
  • MI-SP12M Rifle – 12.625″ model weighs 12.8 ounces with barrel nut
  • Inside diameter 1.75 inch outside diameter 2.0 inch 1.95 inch over mounting flats
  • High quality MIL-STD 1913 top rail T-marked for accessory location
  • One five slot Magpul(R) M-LOK(TM) polymer rail section included
  • Barrel nut wrench included
  • Construction from 6061 aluminum hard coat anodized for a lifetime of service
  • MI Lifetime Warranty

Additional information

Upc

816537013662

Manufacturer

Midwest Industries

Manufacturer part number

MI-SP12M

Length

12

Model

SP Series

Product type

Handguard

Shipping weight

1.425

Style

Free Float

FAQ

BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.

The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.

We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.

Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.

Yes. We partner with trusted suppliers to provide quality products and reliable sourcing.

Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.

We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.

We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.

Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.

Yes. Depending on the request, we can help source specific products or assist with custom configurations.

Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.

Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.

Social Media Posts

Via Vontaes_Gunz

Customer Reviews

“Outstanding customer service.” I had a lot of questions before buying, and they walked me through everything without pressure. Super knowledgeable and easy to work with. You can tell they actually care about their customers.
Verified Customer
“Best experience I’ve had buying gear.” Professional, responsive, and honest. They helped me choose exactly what I needed without overselling anything. I’ll definitely be coming back.
Verified Customer
“Great people, great service.” Very down-to-earth and easy to talk to. They explain things clearly and make sure you understand your options. Highly recommend, especially if you’re new.
Verified customer

BJ FIREARMS LLC

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