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  • Home
  • About Us
  • Everything you need to know about reloading
    Start Shopping
      Reloading Dies
      Reloading Presses & Accessories
      Reloading Tools
      Reloading Components
      Powder Handling
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BANSHEE MK4 5.56 NATO SEMI-AUTO PISTOL - BANSHEE MK4 5.56 NATO 12.5''BBL (1)30RD MAG ARMOR BLACK

BANSHEE MK4 5.56 NATO SEMI-AUTO PISTOL – BANSHEE MK4 5.56 NATO 12.5”BBL (1)30RD MAG ARMOR BLACK

Specifications

  • Cartridge: 5.56 x 45
  • Rear Sight: None
  • Barrel Length: 12.5''
  • Length: 3.5''
  • Safety: Ambidextrous
  • Magazine Included: 1 x 30-Round
  • Muzzle: Threaded
  • Stock Material: NA
CMMG BANSHEE MK4 5.56 NATO SEMI-AUTO PISTOL
 
For those looking to balance carbine-length ballistic performance with the maneuverability of a compact AR pistol this CMMG® BANSHEE™ Mk4 chambered in 5.56mm is ready to run. Designed to provide everything you need and more in an AR15, this BANSHEE is built on the ultra-modular Mk4 platform.
 
Available in a variety of Cerakote finish options, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACE® to the stylized receivers and EML™ handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full-length M-LOK® slots on both sides and the bottom of the handguard as well as M-LOK between the top Picatinny rail sections, you’ll always have enough space for those must-have accessories.
 
MK4 ZEROED PARTS AND ACCESSORIES – QUALITY COMES STANDARD
 
The AR15 platform is well known for its capability for customization but picking the right parts doesn’t have to be a nightmare of homework. Everything from the RIPBRACE to the full kit of ZEROED parts and accessories are made here in the USA with quality and attention to detail that is second to none and each BANSHEE comes equipped with a slew of ZEROED parts standard, including:
  • ZEROED Pistol Grip
  • ZEROED Drop-In Trigger
  • ZEROED Trigger Guard
  • ZEROED 60°/90° Ambi Safety
  • ZEROED AR15 Ambi Charging Handle
  • ZEROED Ambi Mag Catch
  • ZEROED Extended Mag Release Button
  • ZEROED AR15 Bolt Catch
  • ZEROED AR15 Polymer Dust Cover
  • ZEROED Linear Compensator 5.56mm
LIFETIME QUALITY GUARANTEE
  • CMMG aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects.
SPECS
  • Platform: Mk4
  • Caliber: 5.56x45mm
  • Operating System: Direct Impingement
  • Barrel Length: 12.5"
  • Barrel Twist: 1:7
  • Barrel Contour: MT
  • Barrel Material: 4140CM, SBN
  • Muzzle Device: CMMG ZEROED Linear Comp
  • Muzzle Thread: 1/2×28
  • Gas Port Location: Carbine
  • Gas Block: Adjustable .750"
  • Upper Receiver: Billet 6061 T6 Aluminum
  • Lower Receiver: Mk4 Forged 7075 T6 Aluminum
  • Hand Guard: CMMG EML11 M-LOK
  • Finish: Cerakote Standard
  • Charging Handle: CMMG ZEROED Ambi
  • Pistol Grip: CMMG ZEROED Pistol Grip
  • Buffer Type: Carbine
  • Receiver Extension: CMMG 6 Position Fastback Extension
  • Stock / Brace: CMMG RipBrace
  • Trigger Type: ZEROED Drop-In Single Stage
  • Trigger Guard: CMMG ZEROED Trigger Guard
  • Safety Selector: CMMG ZEROED 60/90 Degree
  • Magazine: CMMG 30rd
  • Weight: 5.9 lbs
  • Length: 28"
Description

Original price was: $1,509.99.Current price is: $1,309.99.

CMMG BANSHEE MK4 5.56 NATO SEMI-AUTO PISTOL
 
For those looking to balance carbine-length ballistic performance with the maneuverability of a compact AR pistol this CMMG® BANSHEE™ Mk4 chambered in 5.56mm is ready to run. Designed to provide everything you need and more in an AR15, this BANSHEE is built on the ultra-modular Mk4 platform.
 
Available in a variety of Cerakote finish options, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACE® to the stylized receivers and EML™ handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full-length M-LOK® slots on both sides and the bottom of the handguard as well as M-LOK between the top Picatinny rail sections, you’ll always have enough space for those must-have accessories.
 
MK4 ZEROED PARTS AND ACCESSORIES – QUALITY COMES STANDARD
 
The AR15 platform is well known for its capability for customization but picking the right parts doesn’t have to be a nightmare of homework. Everything from the RIPBRACE to the full kit of ZEROED parts and accessories are made here in the USA with quality and attention to detail that is second to none and each BANSHEE comes equipped with a slew of ZEROED parts standard, including:
  • ZEROED Pistol Grip
  • ZEROED Drop-In Trigger
  • ZEROED Trigger Guard
  • ZEROED 60°/90° Ambi Safety
  • ZEROED AR15 Ambi Charging Handle
  • ZEROED Ambi Mag Catch
  • ZEROED Extended Mag Release Button
  • ZEROED AR15 Bolt Catch
  • ZEROED AR15 Polymer Dust Cover
  • ZEROED Linear Compensator 5.56mm
LIFETIME QUALITY GUARANTEE
  • CMMG aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects.
SPECS
  • Platform: Mk4
  • Caliber: 5.56x45mm
  • Operating System: Direct Impingement
  • Barrel Length: 12.5"
  • Barrel Twist: 1:7
  • Barrel Contour: MT
  • Barrel Material: 4140CM, SBN
  • Muzzle Device: CMMG ZEROED Linear Comp
  • Muzzle Thread: 1/2×28
  • Gas Port Location: Carbine
  • Gas Block: Adjustable .750"
  • Upper Receiver: Billet 6061 T6 Aluminum
  • Lower Receiver: Mk4 Forged 7075 T6 Aluminum
  • Hand Guard: CMMG EML11 M-LOK
  • Finish: Cerakote Standard
  • Charging Handle: CMMG ZEROED Ambi
  • Pistol Grip: CMMG ZEROED Pistol Grip
  • Buffer Type: Carbine
  • Receiver Extension: CMMG 6 Position Fastback Extension
  • Stock / Brace: CMMG RipBrace
  • Trigger Type: ZEROED Drop-In Single Stage
  • Trigger Guard: CMMG ZEROED Trigger Guard
  • Safety Selector: CMMG ZEROED 60/90 Degree
  • Magazine: CMMG 30rd
  • Weight: 5.9 lbs
  • Length: 28"

Out of stock

SKU 430118510 Category

Description

CMMG BANSHEE MK4 5.56 NATO SEMI-AUTO PISTOL
 
For those looking to balance carbine-length ballistic performance with the maneuverability of a compact AR pistol this CMMG® BANSHEE™ Mk4 chambered in 5.56mm is ready to run. Designed to provide everything you need and more in an AR15, this BANSHEE is built on the ultra-modular Mk4 platform.
 
Available in a variety of Cerakote finish options, the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACE® to the stylized receivers and EML™ handguards, every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. With full-length M-LOK® slots on both sides and the bottom of the handguard as well as M-LOK between the top Picatinny rail sections, you’ll always have enough space for those must-have accessories.
 
MK4 ZEROED PARTS AND ACCESSORIES – QUALITY COMES STANDARD
 
The AR15 platform is well known for its capability for customization but picking the right parts doesn’t have to be a nightmare of homework. Everything from the RIPBRACE to the full kit of ZEROED parts and accessories are made here in the USA with quality and attention to detail that is second to none and each BANSHEE comes equipped with a slew of ZEROED parts standard, including:
  • ZEROED Pistol Grip
  • ZEROED Drop-In Trigger
  • ZEROED Trigger Guard
  • ZEROED 60°/90° Ambi Safety
  • ZEROED AR15 Ambi Charging Handle
  • ZEROED Ambi Mag Catch
  • ZEROED Extended Mag Release Button
  • ZEROED AR15 Bolt Catch
  • ZEROED AR15 Polymer Dust Cover
  • ZEROED Linear Compensator 5.56mm
LIFETIME QUALITY GUARANTEE
  • CMMG aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects.
SPECS
  • Platform: Mk4
  • Caliber: 5.56x45mm
  • Operating System: Direct Impingement
  • Barrel Length: 12.5"
  • Barrel Twist: 1:7
  • Barrel Contour: MT
  • Barrel Material: 4140CM, SBN
  • Muzzle Device: CMMG ZEROED Linear Comp
  • Muzzle Thread: 1/2×28
  • Gas Port Location: Carbine
  • Gas Block: Adjustable .750"
  • Upper Receiver: Billet 6061 T6 Aluminum
  • Lower Receiver: Mk4 Forged 7075 T6 Aluminum
  • Hand Guard: CMMG EML11 M-LOK
  • Finish: Cerakote Standard
  • Charging Handle: CMMG ZEROED Ambi
  • Pistol Grip: CMMG ZEROED Pistol Grip
  • Buffer Type: Carbine
  • Receiver Extension: CMMG 6 Position Fastback Extension
  • Stock / Brace: CMMG RipBrace
  • Trigger Type: ZEROED Drop-In Single Stage
  • Trigger Guard: CMMG ZEROED Trigger Guard
  • Safety Selector: CMMG ZEROED 60/90 Degree
  • Magazine: CMMG 30rd
  • Weight: 5.9 lbs
  • Length: 28"

Additional information

Weight 10.3 lbs
Rear Sight

None
Barrel Length

12.5''
Length

3.5''
Safety

Ambidextrous
Magazine Included

1 x 30-Round
Muzzle

Threaded
Stock Material

NA
Model

Banshee MK4
Cartridge

AKK_5.56 x 45
Make/Model

CMMG, Banshee MK4
Make

CMMG
Front Sight

None
Magazine Type

Removable
Capacity

30+1-Round
Finish

Armor Black
Action Type

Semi-Auto
Weight

8.1 lbs

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Frequently Asked Questions

Are these brass cases and reloading components factory-new or once-fired? +

We stock both premium factory-new components and high-quality once-fired brass. Please check the specific product listing title and description carefully; once-fired brass is fully inspected, but we always recommend resizing and inspecting prior to priming and powder charging.

Will this case trimmer gauge or die set work with my progressive press setup? +

Our standard reloading dies and case length trimmer accessories utilize industry-standard threads (typically 7/8"-14) compatible with major single-stage, turret, and progressive presses like RCBS, Hornady, Lee Precision, and Dillon. Caliber-specific trim gauges must match your exact brass caliber.

Do you enforce shipping restrictions on powder, primers, or live ammunition? +

Yes. Non-hazardous reloading equipment (dies, case length trimmers, gauges, and unprimed brass) ships via standard ground carriers with no extra fees. Any orders containing smokeless powders or primers will incur standard federal HazMat handling fees and cannot be shipped via air transportation.

How can I track my shipment to ensure delivery safety? +

Precision reloading gear is valuable, so all orders are shipped with tracking enabled. As soon as your package is dispatched from our inventory warehouse, a tracking number will be emailed to you. You can monitor your shipment directly on our Track Order page using your unique Order ID.

Can I return precision measuring tools or die components if they don’t fit? +

We accept returns on unused, unaltered tools, case preparation equipment, and unopened component boxes within 30 days of item delivery. Due to safety and strict quality control on the reloading bench, we absolutely cannot accept returns on opened packs of primers, smokeless powder, or processed brass casings.

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