SKU LIP|SIRSPEAR76213BS Category

Sig Sauer MCX-SPEAR SBR 7.62mm 20rd Magazine 13″ Barrel Magpul SL-M Folding/Telescoping Coyote Finish *NFA*

Sig Sauer MCX-SPEAR SBR 7.62mm 20rd Magazine 13" Barrel Magpul SL-M Folding/Telescoping Coyote Finish *NFA*

Sig Sauer MCX-SPEAR SBR 7.62mm 20rd Magazine 13″ Barrel Magpul SL-M Folding/Telescoping Coyote Finish *NFA*

$3,999.99

4 in stock

Features:

  • Civilian version of the U.S. Army’s new XM7 rifle
  • Caliber 7.62×51
  • Non-reciprocating side and rear charging handle for maximum flexibility in shooting position
  • Fully ambidextrous controls including bolt catch and bolt release
  • Integrated stainless steel QD mounts in the lower receiver for easy secure attachment of slings
  • Coyote anodized
  • Interchangeable barrel for easy caliber conversion
  • 2-position adjustable gas valve for suppressed or unsuppressed use
  • Includes SIG SAUER SLH and SLX suppressor-ready QD mount flash hider
  • 2-Stage Match Trigger
  • Folding 6 position Magpul SL-M stock
  • Ships with (1) 20 round magazine

 

Additional information

Upc

798681674015
Manufacturer

Sig Sauer
Manufacturer part number

RSPEAR-762-13B-SBR
Action

Semi-Auto
Atf type

Short Barrel Rifle
Barrel length

13"
Capacity

20
Model

MCX
Number of magazines

1 20 rd.
Package height

4.3
Package width

11.4
Product type

SBR
Rate of twist

1-in-10"
Safety

Ambidextrous
Shipping weight

10.8
Sights

No Sights / Optics Ready

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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.

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“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.
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