5.56x45mm CMMG Guns for Sale

Price History
5.56x45mm
CMMG
CMMG Mk4 Stripped Lower Receiver 55CA102AB, Rifle, .223 Rem/5.56 NATO, Armor Black Cerakote, 7075-T6 Aluminum
New
UPC 810097506466 Shipping $18
$100.02 Classic Firearms ★★★★★ (2,454)
CMMG Mk4 Multi Caliber Stripped Lower Receiver Cerakote
New
UPC 810097506466 Free Shipping > $500
$106.05 Shooting Surplus ★★★★★ (193)

5.56x45mm CMMG Guns Price Graph

Today's 5.56x45mm CMMG Guns average is $748.22, 25% below the 180-day average of $996.75. Over the last 180 days, the average peaked at $1,194.24 on March 20, 2026 and bottomed at $748.22 on September 5, 2026.

CMMG CMMG LOWER MK4/AR15 BLK
New
UPC 810097506466 Shipping $15 Free Shipping > $500
$109.99 BuyAGun ★★★★★ (3)
CMMG MK4 Stripped Lower Receiver - Black
New
UPC 810097506466 Shipping $7 Free Shipping > $250
$155.00 Skid Tactical ★★★★★ (63)
CMMG 55BB40BAB Resolute MK4 5.56x45mm NATO 16.10", Armor Black, M-LOK Free-Float Handguard for AR-Platform (No BCG or Charging Handle)
New
UPC 810103473461 Shipping $20
$441.98 DK Gun & Dog ★★★★★ (56)
CMMG Zeroed 556K Suppressor 5.56 5.2" Black
New
UPC 840442507725 Free Shipping > $500
$455.99 Cummings Family Firearms ★★★★★ (52)
CMMG 11DB015 Zeroed K 5.56x45mm Black
New
UPC 840442507725
$472.00 CLB Guns ★★★★★ (45)
CMMG ZEROED 556 K 5.56X45
New
UPC 840442507725 Free Shipping > $500
$481.59 Shooting Surplus ★★★★★ (193)
CMMG ZEROED 556K SUP HUB MNT BLK
New
UPC 840442507725 Shipping $20 Free Shipping > $1,000
$482.13 Life2A ★★★★★ (3)
CMMG ZEROED 556 K SUPPRESSOR
New
UPC 840442507725 Free Shipping > $500
$490.94 Timber Hole Outdoors ★★★★★ (5)

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CMMG Resolute MK4 5.56x45 NATO 16.1 Inch Armor Black AR-15 Rifle Upper
New
UPC 810103473461 Shipping $16
$495.33 Caliber Depot ★★★★★ (6)
CMMG 11DB015 Zeroed K 5.56x45mm Black
New
UPC 840442507725
$496.41 Allied Arms ★★★★★ (310)
CMMG ZEROED 556 5.56X45 - CALIBER SUPPRESSOR BLACK 6.5"
New
UPC 840442508050 Free Shipping > $500
$496.99 Cummings Family Firearms ★★★★★ (52)
CMMG Zeroed 556K Suppressor 5.56 5.2" Black
New
UPC 840442507725 Shipping $13 Free Shipping > $500
$499.79 Axolotl Arms ★★★★★ (126)
CMMG Zeroed 556K 5.56 NATO Suppressor 5.5in HUB Direct Thread Black
New
UPC 840442507725 Shipping $10
$503.99 Alexander's Store ★★★★★ (1,532)
CMMG ZEROED 556 K SUPPRESSOR 5.5IN L 1.58IN DIA 1/2X28 AND 5/8X24 HUB COMPATIBLE
New
UPC 840442507725 Shipping $19 Free Shipping > $750
$508.04 Riddle Firearms
CMMG 55BB40BAB
New
UPC 810103473461 Free Shipping
$508.99 BuyAGun ★★★★★ (3)
CMMG 11DB015 Zeroed K 5.56x45mm Black
New
UPC 840442507725 Shipping $20
$511.07 JB Armament ★★★★★ (126)
CMMG ZEROED 556K SUP HUB MNT BLK
New
UPC 840442507725 Shipping $20 Free Shipping > $1,000
$513.00 Dave's Guns ★★★★★ (28)
CMMG ZEROED 556K SUP HUB MNT BLK
New
UPC 840442507725
$514.99 Big Bee Bee ★★★★★ (11)
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050
$515.00 CLB Guns ★★★★★ (45)
CMMG ZEROED 556K Suppressor 556NATO 17-4PH Stainless Steel - Black
New
UPC 840442507725 Free Shipping
$520.00 Skid Tactical ★★★★★ (63)
CMMG Zeroed 556K Suppressor 5.56 5.2" Black
New
UPC 840442507725
$525.99 2 If By Sea Tactical ★★★★★ (135)
CMMG ZEROED 556K SUP HUB MNT BLK
New
UPC 840442507725 Free Shipping
$526.00 Garrison's Guns ★★★★★ (21)
CMMG ZEROED 556 5.56X45 - CALIBER SUPPRESSOR BLACK 6.5"
New
UPC 840442508050 Shipping $20 Free Shipping > $1,000
$526.06 Life2A ★★★★★ (3)
CMMG ZEROED 556 5.56X45
New
UPC 840442508050 Free Shipping
$526.39 Shooting Surplus ★★★★★ (193)
CMMG Zeroed 556K Suppressor 5.56 5.2" Black
New
UPC 840442507725 Shipping $18
$530.75 Blackbox Ballistics ★★★★★ (2)
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050 Free Shipping
$535.34 Timber Hole Outdoors ★★★★★ (5)
CMMG ZEROED 556K Suppressor 5.56 NATO
New
UPC 840442507725
$538.99 Good 4 Guns ★★★★★ (276)
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050
$541.32 Allied Arms ★★★★★ (310)
CMMG ZEROED 556 SUP HUB MNT BLK
New
UPC 840442508050 Free Shipping
$544.99 Axolotl Arms ★★★★★ (126)
CMMG SUPPRESSOR ZEROED 556 K
New
UPC 840442507725
$548.44 Tungsten Creek Tactical
CMMG Zeroed 556 Suppressor 5.56 NATO 6.5in Direct Thread HUB Mount
New
UPC 840442508050 Shipping $10
$548.99 Alexander's Store ★★★★★ (1,532)
CMMG ZEROED 556 K 5.56X45 - CALIBER SUPPRESSOR BLACK 5.5"
New
UPC 840442507725
$548.99 Pathfinder Militaria ★★★★★ (106)
CMMG Zeroed 556K Suppressor
New
UPC 840442507725
$549.95 Gun Shack ★★★★★ (1,337)
CMMG SUPPRESSOR ZEROED 556 K
New
UPC 840442507725 Free Shipping
$552.86 Kinetic Armory ★★★★★ (3)
CMMG ZEROED 556 SUPPRESSOR 6.5IN L 1.58IN DIA 1/2X28 AND 5/8X24 HUB COMPATIBLE
New
UPC 840442508050 Shipping $19 Free Shipping > $750
$553.99 Riddle Firearms
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050 Shipping $20
$557.29 JB Armament ★★★★★ (126)
CMMG ZEROED 556 SUP HUB MNT BLK
New
UPC 840442508050 Shipping $20 Free Shipping > $1,000
$559.35 Dave's Guns ★★★★★ (28)
CMMG ZEROED 556 SUP HUB MNT BLK
New
UPC 840442508050
$561.99 Big Bee Bee ★★★★★ (11)
CMMG ZEROED 556 Suppressor 556NATO 17-4PH Stainless Steel - Black
New
UPC 840442508050 Free Shipping
$565.00 Skid Tactical ★★★★★ (63)
CMMG ZEROED 556 5.56X45 - CALIBER SUPPRESSOR BLACK 6.5"
New
UPC 840442508050
$566.99 Precision Gunworks
CMMG Zeroed 556K Suppressor 5.56 5.2" Black
New
UPC 840442507725 Free Shipping
$571.33 Lightning Strike Arms ★★★★★ (32)
CMMG Zeroed 556K Suppressor 5.56 5.2" Black
New
UPC 840442507725
$571.54 Shiner Tactical ★★★★★ (6)
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050 Free Shipping
$573.00 Garrison's Guns ★★★★★ (21)
CMMG Zeroed 556 Direct Thread Suppressor 5.56mm 1.58" Diameter 6.5" Length Black
New
UPC 840442508050
$573.99 2 If By Sea Tactical ★★★★★ (135)
CMMG ZEROED 556 5.56X45 - CALIBER SUPPRESSOR BLACK 6.5"
New
UPC 840442508050 Shipping $18
$578.75 Blackbox Ballistics ★★★★★ (2)
CMMG Zeroed 556 Supressor Black
New
UPC 840442508050 Free Shipping
$583.99 BuyAGun ★★★★★ (3)
CMMG ZEROED 556 Suppressor - Direct Thread .223/5.56
New
UPC 840442508050
$586.99 Good 4 Guns ★★★★★ (276)
CMMG ZEROED 556 5.56X45 - CALIBER SUPPRESSOR BLACK 6.5"
New
UPC 840442508050
$597.99 Pathfinder Militaria ★★★★★ (106)
CMMG ZEROED 556 5.56X45 - CALIBER SUPPRESSOR BLACK 6.5"
New
UPC 840442508050
$598.04 Tungsten Creek Tactical
CMMG Zeroed 556 Suppressor
New
UPC 840442508050
$599.00 Gun Shack ★★★★★ (1,337)
CMMG SUPPRESSOR ZEROED 556
New
UPC 840442508050 Free Shipping
$602.86 Kinetic Armory ★★★★★ (3)
CMMG 11DB015 Zeroed K 5.56x45mm Black
New
UPC 840442507725 Free Shipping
$607.59 Conkey's Outdoors ★★★★★ (175)
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050 Free Shipping
$622.93 Lightning Strike Arms ★★★★★ (32)
CMMG 11DB032 Zeroed 556K 5.56mm Black Stainless Steel
New
UPC 840442508050 Free Shipping
$653.09 Conkey's Outdoors ★★★★★ (175)
CMMG MK-4 - SERIAL NUMBER AMS13870 Notes: Caliber: 5.56 NATO (accepts .223 Remington) Operating System: Direct Impingement Barrel Length: 16.1 inches Barrel Twist: 1:7 Overall Length: Approx. 32.5 inches (collapsed) Weight: ~6.4 to 7 lbs (depending on furniture and exact ...
Used
Shipping $28
$699.99 Guns.com ★★★★★ (38,455)
CMMG MOD 4SA - Pre-owned CMMG Model 4SA AR rifle chambered in 5.56 nato. This rifle is in very good condition, showing signs of normal wear. This rifle appears to be a build. The parts are as follows: CMMG lower 16" Barrel 15" KEYMOD Tactical handguard NC STAR 3-...
Used
Shipping $28.04
$700.99 Guns.com ★★★★★ (38,455)
CMMG Defcan 556 Suppressor - Black | 1/2-28
New
UPC 810103479876 Free Shipping
$805.99 Cummings Family Firearms ★★★★★ (52)
CMMG 55CA42D DefCan 2 5.56x45mm, 7.8" L Black Steel, 1/2"-28 tpi Zeroed SVD Muzzle Brake
New
UPC 810103479876
$840.00 CLB Guns ★★★★★ (45)
CMMG Defcan 556 Direct Thread Suppressor 5.56 1-3/8x24 Black with 1/2x28 Muzzle Brake
New
UPC 810103479876 Shipping $20 Free Shipping > $1,000
$840.39 Life2A ★★★★★ (3)
CMMG DEFCAN 2 5.56/223
New
UPC 810103479876 Free Shipping
$848.03 Timber Hole Outdoors ★★★★★ (5)
CMMG DefCan 556 Suppressor 5.56mm Direct Thread Inconel Finish
New
UPC 810103479876 Free Shipping
$851.85 Shooting Surplus ★★★★★ (193)
CMMG Defcan 556 Suppressor - Black | 1/2-28
New
UPC 810103479876 Free Shipping
$855.67 Axolotl Arms ★★★★★ (126)
CMMG Defcan 556 Direct Thread Suppressor 5.56 1-3/8x24 Black with 1/2x28 Muzzle Brake
New
UPC 810103479876
$855.67 Allied Arms ★★★★★ (310)
CMMG DEFCAN 556 Suppressor, 5.56/.223, 7.8" QD, Full-Auto Rated
New
UPC 810103479876 Shipping $10
$868.99 Alexander's Store ★★★★★ (1,532)
CMMG DefCan 556 Suppressor - Full Auto 5.56/.223
New
UPC 810103479876
$917.99 Good 4 Guns ★★★★★ (276)
CMMG Defcan 556 Direct Thread Suppressor 5.56 1-3/8x24 Black with 1/2x28 Muzzle Brake
New
UPC 810103479876
$928.99 2 If By Sea Tactical ★★★★★ (135)
CMMG Defcan 556 Direct Thread Suppressor 5.56 1-3/8x24 Black with 1/2x28 Muzzle Brake
New
UPC 810103479876 Free Shipping
$929.00 Garrison's Guns ★★★★★ (21)
CMMG Defcan 556 Direct Thread Suppressor 5.56 1-3/8x24 Black with 1/2x28 Muzzle Brake
New
UPC 810103479876 Shipping $18
$931.71 Blackbox Ballistics ★★★★★ (2)
Defcan 556, 5.56MM/.223
New
UPC 810103479876
$964.99 Pathfinder Militaria ★★★★★ (106)
CMMG Defcan 556 Suppressor - Black | 1/2-28
New
UPC 810103479876
$969.32 Tungsten Creek Tactical
CMMG Defcan 556 Suppressor - Black | 1/2-28
New
UPC 810103479876 Free Shipping
$977.14 Kinetic Armory ★★★★★ (3)
CMMG Banshee 200 MK4 - If you are looking for a feature rich AR platform the 200 Series is for you. The 200 Series features classic furniture appointments such as Magpul's MOE pistol grip. Chambered in 5.56mm, these pistols are ready for the range. CMMG delivers its lighte...
New
UPC 816422024902 Shipping $20
$999.99 Guns.com ★★★★★ (38,455)
CMMG RESOLUTE 200 MK4 5.56 - The 200 Series features classic furniture appointments such as Magpul's MOE pistol grip and CMMG's revolutionary RIPSTOCK. The Mk4 platform accepts standard AR15-style magazines. CMMG's RESOLUTE rifle and carbine lineup is engineered with purpo...
New
UPC 816422023691 Shipping $20
$999.99 Guns.com ★★★★★ (38,455)
CMMG RESOLUTE MK4 LIMITED - CMMG Resolute MK4 5.56mm AR15 with FDE Battle Worn Cerakote Finish
New
UPC 810046236109 Shipping $20
$999.99 Guns.com ★★★★★ (38,455)
CMMG Defcan 556 Direct Thread Suppressor 5.56 1-3/8x24 Black with 1/2x28 Muzzle Brake
New
UPC 810103479876 Free Shipping
$1,009.18 Lightning Strike Arms ★★★★★ (32)
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917 Free Shipping
$1,194.99 Cummings Family Firearms ★★★★★ (52)
CMMG Banshee Mk4 AR Pistol 5.56mm 10.5" Barrel
New
UPC 810144722917
$1,204.99 Good 4 Guns ★★★★★ (276)
CMMG Banshee Mk4 5.56x45mm NATO Pistol 12.5" Threaded Barrel 30+1 Round Armor Black Pistol Brace
New
UPC 810148624309 Free Shipping
$1,219.93 Midway USA ★★★★★ (119)
CMMG 55AED0AAB BANSHEE MK4 5.56 10.5 TUBE ARBLK
New
UPC 810144722917 CC Fee 3%
$1,219.99 Cornerstone Arms ★★★★★ (373)
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917 CC Fee 6%
$1,231.57 All Things Firearm ★★★★★ (3)
CMMG PISTOL BANSHEE MK4 5.56MM 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917 Shipping $20
$1,243.53 DK Gun & Dog ★★★★★ (56)
CMMG RESOLUTE 300 MK4 5.56 - Used CMMG Resolute 5.56 burnt bronze. 30 round capacity with a 16 inch barrel. Comes with factory box.
Used
UPC 816422024063 Shipping $50.04
$1,250.99 Guns.com ★★★★★ (38,455)
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917
$1,269.90 Ecommerce Arms
CMMG RESOLUTE 300 MK4 5.56 - For over a decade CMMG has remained committed to producing some of the best AR platform firearms in the industry. The Resolute 300 is a premier rifle from CMMG's. This rifle features a 16" 4140 Chrome Moly barrel with a CMMG SV muzzle break. Ch...
New
UPC 816422024063 Shipping $20
$1,269.99 Guns.com ★★★★★ (38,455)
CMMG MK4 RCE - The CMMG Mk4 is a semi-automatic AR-15 rifle chambered for 5.56x45mm. It features forged 7075-T6 aluminum M4 type upper and AR-15 type lower receivers nitrided 4140 chromium-molybdenum alloy steel M4 profile 16.1 threaded barrel RKM11 KeyMod free-float handg...
New
UPC 815835015477 Shipping $20
$1,275.99 Guns.com ★★★★★ (38,455)
CMMG Banshee Mk4 5.56mm 10.5in Pistol Tube Black
New
UPC 810144722917
$1,285.38 Georgia Guns & Ammo ★★★★★ (2)
CMMG 55AED0A-AB Pistol Banshee MK4 10.5" 30rd Pistol Tube Black
New
UPC 810144722917 Shipping $20
$1,288.70 Classic Firearms ★★★★★ (2,454)
CMMG Banshee Mk4 Handgun 5.56mm 30rd Magazine 10.5" 1/2x28 Threaded Barrel Black Pistol Tube
New
UPC 810144722917 Free Shipping CC Fee 3% $10 Off Code CALIBERKING
$1,290.16 Armed in Michigan ★★★★★ (714)
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917
$1,291.36 Ferrari Firearms
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917 Free Shipping
$1,297.33 Riddle Firearms
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917
$1,297.33 MCM Tactical ★★★★★ (60)
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD W/RIP BRACE BLACK
New
UPC 810148624231 Free Shipping
$1,297.99 Cummings Family Firearms ★★★★★ (52)
CMMG PISTOL BANSHEE MK4 5.56MM - 10.5" 30RD W/RIP BRACE BRONZE
New
UPC 810148624262 Free Shipping
$1,297.99 Cummings Family Firearms ★★★★★ (52)
CMMG PISTOL BANSHEE MK4 5.56MM - 12.5" 30RD W/RIP BRACE BRONZE
New
UPC 810148624330 Free Shipping
$1,297.99 Cummings Family Firearms ★★★★★ (52)
CMMG MK4 BANSHEE - You asked and CMMG listened. Available with a 10.5" barrel, this is the shortest 5.56mm BANSHEE(TM) CMMG(R) has ever offered and makes for a great choice for anyone looking for a compact backpack/truck gun in 5.56mm. If capability is what you're after, t...
New
UPC 810148624262 Shipping $20
$1,299.99 Guns.com ★★★★★ (38,455)
CMMG Banshee Mk4 Handgun 5.56mm 30rd Magazine 10.5" 1/2x28 Threaded Barrel Black Pistol Tube
New
UPC 810144722917 Free Shipping
$1,300.58 Safe Haven Defense
CMMG 55AED0AAB BANSHEE MK4 5.56 10.5 TUBE ARBLK
New
UPC 810144722917 $5 Off - Use Code CALIBERKING
$1,305.16 Gun Place ★★★★★ (206)
CMMG PISTOL BANSHEE MK4 5.56MM 10.5" 30RD PISTOL TUBE BLACK
New
UPC 810144722917
$1,306.78 De Leon RX & Sporting Goods ★★★★★ (216)

5.56x45mm CMMG Guns Price Graph

Today's 5.56x45mm CMMG Guns average is $748.22, 25% below the 180-day average of $996.75. Over the last 180 days, the average peaked at $1,194.24 on March 20, 2026 and bottomed at $748.22 on September 5, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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