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SKU CSSI|QFDP51655239601 Category

DPMS DPM4 AR-15 Rifle 5.56mm 30rd(1) 16″ Threaded Barrel M-LOK Handguard M4 Stock

DPMS DPM4 AR-15 Rifle 5.56mm 30rd(1) 16″ Threaded Barrel M-LOK Handguard M4 Stock

$559.99

14 in stock

Barrel: Chrome-moly vanadium steel barrel chambered in 5.56 NATO nitride coated with a 1:7 twist rate M4 barrel extension and a carbine-length gas system. This M4 profile barrel is finished off with a 13.5” DPMS M-Lok free-float handguard low-profile gas block and A2 flash hider.

Upper: Forged 7075-T6 M4 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made right here in the USA.

Bolt Carrier Group: Full-auto profile bolt carrier group. Shot-peened mil-spec Carpenter 158 steel bolt. Gas Key Hardened to USGI Specifications fastened with Grade 8 screws and Staked Per Mil-Spec. Carrier is 8620 steel M-16 full-auto profile.

Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for the caliber. Finish is hard-coat anodized. The Mil-spec diameter 7075-T6 buffer tube is hard-coat anodized with 6 adjustment positions and is fitted with a M4 style stock DPMS A2 grip aluminum trigger guard and a MIL-SPEC FCG.

  • Barrel Length: 16”
  • Barrel Material: 4150V Chrome Moly Vanadium Steel
  • Barrel Finish: Nitride
  • Barrel Profile: M4
  • Chamber: 5.56 NATO
  • Twist Rate: 1 in 7”
  • Extension: M4
  • Gas System: Carbine-Length
  • Gas Block Type: Low Profile .750” Diameter
  • Upper Receiver: Forged 7075 T6 Aluminum
  • Receiver Style: M4 with feed ramps
  • Receiver Finish: Hardcoat Anodized
  • Forward Assist: Yes
  • Dust Cover: Yes
  • Handguard Style: DPMS M-Lok Free Float Rail
  • Bolt Steel: Carpenter 158 Mag Phosphate coated
  • Bolt Carrier Steel: 8620 Chrome Lined
  • Staked Gas Key: Yes
  • Lower Receiver: Forged 7075 T6 Aluminum
  • Receiver Finish: Hardcoat Anodized
  • Fire Control Group:  AR-15 Mil-Spec Fire Control Group
  • Buffer Tube: 7075 T6 Aluminum Mil-Spec Tube
  • Adjustment: 6-position collapsible
  • Stock: DPMS M4 Carbine Stock
  • Magazine: (1) 30-Round Magazine (where available by law)
  • Weight: 7 Lbs
  • Length: 32"

Additional information

Upc

810141223509

Manufacturer

DPMS

Manufacturer part number

DP51655239601

Action

Semi-Auto

Barrel length

16"

Safety

Safety Selector

Shipping weight

7.9

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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.

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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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