.300 Blackout CMMG Guns for Sale

Price History
.300 Blackout
CMMG
CMMG MK4 PISTOL - PISTOL: CMMG MODEL MK4 PISTOL IMPORTED BY CMMG INC, BOONVILLE, MD, SERIAL NUMBER BMR08234, BLACK (MATTE), YES - INCLUDES ORIGINAL BOX, 12 INCHES, SEMI - AUTOMATIC Notes: Compact and capable, .300 BLK was designed to be right at home in AR15-pattern firea...
Used
Shipping $39.20
$979.99 Guns.com ★★★★★ (38,455)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,069.99 Cummings Family Firearms ★★★★★ (52)

.300 Blackout CMMG Guns Price Graph

Today's .300 Blackout CMMG Guns average is $1,262.69, 3% below the 180-day average of $1,299.05. Over the last 180 days, the average peaked at $1,322.21 on May 30, 2026 and bottomed at $1,236.17 on August 25, 2026.

CMMG Banshee MK4 300 AAC Blackout AR Pistol - 12.5"
New
UPC 810144724195
$1,077.99 Good 4 Guns ★★★★★ (276)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 CC Fee 6%
$1,102.09 All Things Firearm ★★★★★ (3)
CMMG PISTOL BANSHEE MK4.300AAC 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Shipping $20
$1,112.79 DK Gun & Dog ★★★★★ (56)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195
$1,136.40 Ecommerce Arms
CMMG Banshee Mk4 Pistol .300 BLK 12.5" 30rd
New
UPC 810144724195
$1,150.24 Georgia Guns & Ammo ★★★★★ (2)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,155.59 Ferrari Firearms
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195 Free Shipping
$1,163.98 Safe Haven Defense
CMMG PISTOL BANSHEE MK4.300AAC 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,169.39 De Leon RX & Sporting Goods ★★★★★ (216)

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CMMG Banshee MK4 .300 AAC Pistol - 12.5" Barrel, 30-Round Capacity, Black 810144724195
New
UPC 810144724195 $5 Off - Use Code CALIBERKING
$1,169.52 Gun Place ★★★★★ (206)
CMMG Banshee Mk4 .300 AAC Blackout 12.5in 30rd
New
UPC 810144724195 Free Shipping
$1,176.99 Axolotl Arms ★★★★★ (126)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Shipping $20
$1,176.99 Custom Creatives Group ★★★★★ (24)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119 Free Shipping
$1,184.99 Cummings Family Firearms ★★★★★ (52)
CMMG Banshee Mk4 .300 AAC Blackout 12.5" 30rd Magazine Cerakote Finish
New
UPC 810144724195 Free Shipping
$1,187.69 Shooting Surplus ★★★★★ (193)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,187.69 Timber Hole Outdoors ★★★★★ (5)
CMMG Banshee Mk4 .300 BLK AR Pistol, 8" Barrel
New
UPC 810144724119
$1,193.99 Good 4 Guns ★★★★★ (276)
CMMG PISTOL BANSHEE MK4.300AAC 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119 Shipping $20
$1,197.11 DK Gun & Dog ★★★★★ (56)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,204.00 Birmingham Hill Armory ★★★★★ (16)
CMMG 30A240FAB BANSHEE MK4 300BO 8 TUBE ARBLK
New
UPC 810144724119 CC Fee 3%
$1,209.99 Cornerstone Arms ★★★★★ (373)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Shipping $16
$1,213.99 Riflenetics ★★★★★ (65)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195 Free Shipping
$1,215.99 Canoe Creek Armory ★★★★★ (17)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119 CC Fee 6%
$1,221.04 All Things Firearm ★★★★★ (3)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,230.49 Life2A ★★★★★ (3)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,230.49 Allied Arms ★★★★★ (310)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,230.99 Big Bee Bee ★★★★★ (11)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping CC Fee 3%
$1,235.84 Bunker Hill Ballistics ★★★★★ (9)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195 CC Fee 3%
$1,236.99 Cornerstone Arms ★★★★★ (373)
CMMG Banshee Mk4 Pistol .300 AAC Blackout 8in 30rd
New
UPC 810144724119
$1,237.40 Georgia Guns & Ammo ★★★★★ (2)
CMMG BANSHEE MK4 300BLK 8" 30RD AB
New
UPC 810144724119 Free Shipping CC Fee 3% $10 Off Code CALIBERKING
$1,242.00 Armed in Michigan ★★★★★ (714)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,245.99 Precision Gunworks
CMMG PISTOL BANSHEE MK4.300AAC 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119
$1,247.16 Gun Wise
CMMG Banshee MK4 .300 AAC Blackout Pistol 12.5 Inch
New
UPC 810144724195 Shipping $16
$1,251.89 Caliber Depot ★★★★★ (6)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,252.79 Black Bayou Armory ★★★★★ (83)
CMMG PISTOL BANSHEE MK4.300AAC 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119
$1,258.00 De Leon RX & Sporting Goods ★★★★★ (216)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 8" 5/8x24 Threaded Barrel Black
New
UPC 810144724119
$1,259.05 Ecommerce Arms
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,262.59 Tungsten Creek Tactical
CMMG CMMG PISTOL BANSHEE MK4.300AAC 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,267.99 BuyAGun ★★★★★ (3)
CMMG Banshee Mk4 Pistol .300 AAC Blackout 12.5in 30rd
New
UPC 810144724195
$1,268.00 EK Tactical ★★★★★ (10)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,270.16 Lightning Strike Arms ★★★★★ (32)
CMMG 30A240FAB BANSHEE MK4 300BO 8 TUBE ARBLK
New
UPC 810144724119
$1,274.00 CLB Guns ★★★★★ (45)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$1,277.54 Scottsodg.com
CMMG Banshee MK4 300 AAC Blackout 8 Inch Cerakote Finish
New
UPC 810144724119 Free Shipping
$1,277.69 Shooting Surplus ★★★★★ (193)
CMMG 30A240F-AB Pistol Banshee MK4.300AAC 8" 30rd Tube Pistol Black
New
UPC 810144724119 Shipping $20
$1,277.69 Classic Firearms ★★★★★ (2,454)
CMMG 30AF20ATNG Banshee Mk4 300 Blackout 30+1 8" Black Nitride Threaded Barrel, M-LOK Handguard, Tungsten Cerakote Aluminum Receiver w/Picatinny Rail, Black Polymer CMMG RipBrace, CMMG Zeroed Grip
New
UPC 810148623593 Free Shipping
$1,277.99 Cummings Family Firearms ★★★★★ (52)
CMMG BANSHEE MK4 PISTOL 300BLK 8 ARMOR BLK
New
UPC 810148623531 Free Shipping
$1,277.99 Cummings Family Firearms ★★★★★ (52)
CMMG PISTOL, BANSHEE, MK4, 300BLK, 8", MID BRNZ W/ADJ RIP BRACE
New
UPC 810148623562 Free Shipping
$1,277.99 Cummings Family Firearms ★★★★★ (52)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119
$1,280.32 Ferrari Firearms
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195
$1,281.57 Redsand Tactical
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 8" 5/8x24 Threaded Barrel Black Pistol Tube
New
UPC 810144724119
$1,282.00 Armored Boar Gunworks ★★★★★ (53)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,283.99 Kinetic Armory ★★★★★ (3)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119 Free Shipping
$1,286.25 Riddle Firearms
CMMG BANSHEE MK4 300BLK 8" 30RD AB
New
UPC 810144724119
$1,286.25 MCM Tactical ★★★★★ (60)
CMMG Banshee MK4 300BLK 8" AR Pistol
New
UPC 810148623593
$1,287.99 Good 4 Guns ★★★★★ (276)
CMMG Banshee MK4 300BLK 8" AR Pistol - Armor Black
New
UPC 810148623531
$1,287.99 Good 4 Guns ★★★★★ (276)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119 Free Shipping
$1,289.48 Safe Haven Defense
CMMG Banshee MK4 810144724195 300 AAC Blackout
New
UPC 810144724195
$1,289.99 C-ME Firearms
CMMG Banshee Mk4 .300 BLK Handgun, 8" Threaded Barrel, 30-Round Magazine, Black Pistol Tube 810144724119
New
UPC 810144724119 $5 Off - Use Code CALIBERKING
$1,294.13 Gun Place ★★★★★ (206)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD RIP BRACE BRONZE
New
UPC 810148623630 Free Shipping
$1,297.99 Cummings Family Firearms ★★★★★ (52)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD RIP BRACE TUNGSTEN
New
UPC 810148623661 Free Shipping
$1,297.99 Cummings Family Firearms ★★★★★ (52)
CMMG DISSENT MK4 - The CMMG Dissent Mk4 in .300 AAC Blackout is a high-performance tactical rifle, built for precision and reliability. Featuring a 14.5" pinned and welded barrel and a 30-round capacity, this rifle is designed for serious shooters. The Dissent Mk4 combines...
New
UPC 810144721378 Shipping $20
$1,299.99 Guns.com ★★★★★ (38,455)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195
$1,302.00 CLB Guns ★★★★★ (45)
CMMG 30AF20ATNG Banshee Mk4 300 Blackout 30+1 8" Black Nitride Threaded Barrel, M-LOK Handguard, Tungsten Cerakote Aluminum Receiver w/Picatinny Rail, Black Polymer CMMG RipBrace, CMMG Zeroed Grip
New
UPC 810148623593 Shipping $20
$1,302.48 DK Gun & Dog ★★★★★ (56)
CMMG BANSHEE MK4 PISTOL 300BLK 8 ARMOR BLK
New
UPC 810148623531 Shipping $20
$1,302.48 DK Gun & Dog ★★★★★ (56)
CMMG 30AF20AAB Banshee MK4 300 Blackout 30+1 8" Black Nitride Medium Taper Threaded Barrel, EML 7" M-LOK Handguards, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips
New
UPC 810148623531 CC Fee 3%
$1,302.99 Cornerstone Arms ★★★★★ (373)
CMMG 30AF20AMB Banshee MK4 300 Blackout 30+1 8" Black Nitride Medium Taper Threaded Barrel, EML 7" M-LOK Handguards, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips
New
UPC 810148623562 CC Fee 3%
$1,302.99 Cornerstone Arms ★★★★★ (373)
CMMG 30AF20ATNG Banshee Mk4 300 Blackout 30+1 8" Black Nitride Threaded Barrel, M-LOK Handguard, Tungsten Cerakote Aluminum Receiver w/Picatinny Rail, Black Polymer CMMG RipBrace, CMMG Zeroed Grip
New
UPC 810148623593 CC Fee 3%
$1,302.99 Cornerstone Arms ★★★★★ (373)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,303.99 Timberlake Firearms ★★★★★ (11)
CMMG Banshee Mk4 .300 AAC Blackout 8" 30rd Threaded
New
UPC 810144724119 Free Shipping
$1,304.03 Axolotl Arms ★★★★★ (126)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195 Free Shipping CC Fee 3% $10 Off Code CALIBERKING
$1,307.95 Armed in Michigan ★★★★★ (714)
CMMG Banshee MK4 .300 AAC Blackout Pistol with RipBrace
New
UPC 810148623630
$1,308.99 Good 4 Guns ★★★★★ (276)
CMMG Banshee MK4 300 Blackout Pistol 12.5"
New
UPC 810148623661
$1,308.99 Good 4 Guns ★★★★★ (276)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195
$1,312.00 Armored Boar Gunworks ★★★★★ (53)
CMMG RESOLUTE MK4 .300 Blackout Rifle - Coyote Tan
New
UPC 810144724058
$1,312.99 Good 4 Guns ★★★★★ (276)
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195 Free Shipping
$1,315.23 Riddle Firearms
CMMG Banshee Mk4 Handgun .300 BLK 30rd Magazine 12.5" 5/8x24 Threaded Barrel Black
New
UPC 810144724195
$1,315.23 MCM Tactical ★★★★★ (60)
CMMG 30A240FAB BANSHEE MK4 300BO 8 TUBE ARBLK
New
UPC 810144724119 Free Shipping
$1,315.88 Timber Hole Outdoors ★★★★★ (5)
CMMG Banshee Mk4 Pistol - Black | 300 BLK | 8" Barrel | 7" M-LOK Handguard | SBA3 Arm Brace
New
UPC 810148623531 CC Fee 6%
$1,316.55 All Things Firearm ★★★★★ (3)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD W/RIP BRACE BRONZE
New
UPC 810148623562 CC Fee 6%
$1,316.55 All Things Firearm ★★★★★ (3)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD W/RIP BRACE TUNGSTEN
New
UPC 810148623593 CC Fee 6%
$1,316.55 All Things Firearm ★★★★★ (3)
CMMG Banshee MK4 300 Blackout AR Pistol 8" Barrel
New
UPC 810148623562
$1,316.99 Good 4 Guns ★★★★★ (276)
CMMG RESOLUTE MK4 300BLK 16.1 ARMOR BLK
New
UPC 810144724034 Free Shipping
$1,317.99 Cummings Family Firearms ★★★★★ (52)
CMMG RIFLE RESOLUTE MK4 300AAC - 16.1" 30RD TUNGSTEN
New
UPC 810144724096 Free Shipping
$1,317.99 Cummings Family Firearms ★★★★★ (52)
CMMG BANSHEE MK4 300BLK 8" 30RD AB
New
UPC 810144724119 Shipping $20
$1,321.65 Custom Creatives Group ★★★★★ (24)
CMMG Banshee MK4 AR Pistol .300 AAC Blackout
New
UPC 810148623609
$1,321.99 Good 4 Guns ★★★★★ (276)
CMMG BANSHEE MK4 PISTOL 300BLK 12.5 ARMOR BLK
New
UPC 810148623609 Free Shipping
$1,322.99 Cummings Family Firearms ★★★★★ (52)
CMMG BANSHEE MK4 PISTOL 300BLK 12.5 ARMOR BLK
New
UPC 810148623609 Shipping $20
$1,323.76 DK Gun & Dog ★★★★★ (56)
CMMG Banshee Mk4 .300 Blackout AR Pistol, 8in Barrel, 30rd PMAG
New
UPC 810144724119 Shipping $10
$1,323.99 Alexander's Store ★★★★★ (1,532)
CMMG 30AB20FTNG Banshee MK4 300 Blackout 30+1 8" Black Nitride Medium Taper Threaded Barrel, EML 7" M-LOK Handguards, Tungsten Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips
New
UPC 810148623661 CC Fee 3%
$1,323.99 Cornerstone Arms ★★★★★ (373)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD W/RIP BRACE BRONZE
New
UPC 810148623630 CC Fee 3%
$1,323.99 Cornerstone Arms ★★★★★ (373)
CMMG PISTOL BANSHEE MK4 300AAC - 12.5" 30RD PISTOL TUBE BLACK
New
UPC 810144724195 Free Shipping
$1,325.75 Conkey's Outdoors ★★★★★ (175)
CMMG BANSHEE MK4 PISTOL 300BLK 8 ARMOR BLK
New
UPC 810148623531
$1,326.77 Gun Wise
CMMG 30A240FAB BANSHEE MK4 300BO 8 TUBE ARBLK
New
UPC 810144724119 Shipping $18
$1,327.74 Sharp's Shooting Supply ★★★★★ (34)
CMMG RESOLUTE MK4 .300 AAC Blackout 16.1" Rifle
New
UPC 810144724034
$1,328.99 Good 4 Guns ★★★★★ (276)
CMMG RESOLUTE MK4 300BO 16.1" AR Rifle
New
UPC 810144724096
$1,328.99 Good 4 Guns ★★★★★ (276)
CMMG PISTOL, BANSHEE, MK4, 300BLK, 8", MID BRNZ W/ADJ RIP BRACE
New
UPC 810148623562 Shipping $20
$1,329.33 DK Gun & Dog ★★★★★ (56)
CMMG Banshee Mk4 .300 AAC Blackout 8" 30rd Pistol
New
UPC 810144724119 Shipping $15
$1,333.66 AZ Arms Depot ★★★★★ (229)
CMMG PISTOL BANSHEE MK4 300AAC - 8" 30RD TUBE PISTOL BLACK
New
UPC 810144724119
$1,334.00 Birmingham Hill Armory ★★★★★ (16)
CMMG 30AB20FAB Banshee MK4 300 Blackout 30+1 12.50" Black Nitride Medium Taper Threaded Barrel, EML 7" M-LOK Handguards, Black Armor Cerakote Aluminum Picatinny Rail Receiver, CMMG Zeroed Grips
New
UPC 810148623609 CC Fee 3%
$1,336.99 Cornerstone Arms ★★★★★ (373)
CMMG 30A240FAB BANSHEE MK4 300BO 8 TUBE ARBLK
New
UPC 810144724119
$1,337.38 Allied Arms ★★★★★ (310)

.300 Blackout CMMG Guns Price Graph

Today's .300 Blackout CMMG Guns average is $1,262.69, 3% below the 180-day average of $1,299.05. Over the last 180 days, the average peaked at $1,322.21 on May 30, 2026 and bottomed at $1,236.17 on August 25, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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