CMMG Brand Magazines for Sale

Price History
CMMG
CMMG Magazine Catch Button, Black
UPC 810046231289
$3.59 Palmetto State Armory ★★★★★ (1,164)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Shipping $20
$13.25 Down Range Firearms ★★★★★ (8)
Low cost shipping boost

CMMG Magazines Price Graph

Today's CMMG Magazines average is $14.25/mag, 1% below the 180-day average of $14.44/mag. Over the last 180 days, the average peaked at $16.08/mag on March 19, 2026 and bottomed at $13.97/mag on August 28, 2026.

CMMG Magazine Catch, Black
UPC 810046231296
$7.59 Palmetto State Armory ★★★★★ (1,164)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
Limit 6 UPC 810148629588
$12.08 Allied Arms ★★★★★ (310)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 $5 Off - Use Code CALIBERKING
$12.51 Gun Place ★★★★★ (206)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 $5 Off - Use Code CALIBERKING
$12.63 Gun Place ★★★★★ (206)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Free Shipping > $900 CC Fee 3%
$12.81 Armed in Michigan ★★★★★ (714)
CMMG MAGAZINE 5.56MM MK4/AR15 30RD BLACK
5.56x45mm
UPC 081014862677 $5 Off - Use Code CALIBERKING
$12.89 Gun Place ★★★★★ (206)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588
$13.06 Vital Defense ★★★★★ (14)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Free Shipping > $900 CC Fee 3%
$13.14 Armed in Michigan ★★★★★ (714)

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CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Free Shipping > $900 CC Fee 3%
$13.17 Armed in Michigan ★★★★★ (714)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778
$13.19 Vital Defense ★★★★★ (14)
CMMG Magazine Extension Kit for FN Five-Seven Pistol 10 rds
5.7x28mm FN
UPC 852005002028
$13.31 Vizards Guns and Ammo ★★★★★ (1,070)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588 Shipping $20
$13.37 Down Range Firearms ★★★★★ (8)
CMMG 55AFC5B 30rd 5.56 Polymer Magazine
5.56x45mm
UPC 810148626778
$13.37 Georgia Guns & Ammo ★★★★★ (2)
CMMG 30rd 5.56mm Mk4/AR15 FDE Polymer Magazine
5.56x45mm
UPC 810148629588
$13.37 Georgia Guns & Ammo ★★★★★ (2)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028
$13.41 Allied Arms ★★★★★ (310)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$13.49 Pickett's Mill Armory ★★★★★ (26)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Shipping $20 Free Shipping > $1,000
$13.50 Life2A ★★★★★ (3)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028
$13.54 MCM Tactical ★★★★★ (60)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588
$13.56 Don's Weaponry ★★★★★ (252)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $20 Free Shipping > $1,000
$13.62 Life2A ★★★★★ (3)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Free Shipping > $500
$13.62 Timber Hole Outdoors ★★★★★ (5)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$13.67 MCM Tactical ★★★★★ (60)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588 Free Shipping > $500
$13.74 Timber Hole Outdoors ★★★★★ (5)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028
$13.74 Vital Defense ★★★★★ (14)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $20
$13.78 Down Range Firearms ★★★★★ (8)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778
$13.80 MCM Tactical ★★★★★ (60)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Shipping $10
$13.99 AZ Arms Depot ★★★★★ (229)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588 CC Fee 6%
$13.99 All Things Firearm ★★★★★ (3)
CMMG 57AFD1E Extension 5.7x28mm 10 Round Mag Extension for FN Five-seveN
5.7x28mm FN
UPC 852005002028 Free Shipping > $500
$14.00 Shooting Surplus ★★★★★ (193)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778
$14.00 Allied Arms ★★★★★ (310)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778
$14.00 CLB Guns ★★★★★ (45)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778
$14.00 Highland Arms ★★★★★ (49)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588
$14.00 CLB Guns ★★★★★ (45)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$14.00 Highland Arms ★★★★★ (49)
CMMG 57AFD1E Extension 5.7x28mm 10 Compatible w/FN Gen1 Five-seveN Magazines
5.7x28mm FN
UPC 852005002028
$14.00 CLB Guns ★★★★★ (45)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $20 Free Shipping > $1,000
$14.04 Life2A ★★★★★ (3)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Shipping $14 Free Shipping > $500 CC Fee 3%
$14.11 Minutemen Defense ★★★★★ (54)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Free Shipping > $1,250
$14.11 Nadir Solutions ★★★★★ (18)
CMMG Magazine 5.56MM Mk4 AR15 30rd FDE
5.56x45mm
UPC 810148629588 Free Shipping > $500
$14.12 Shooting Surplus ★★★★★ (193)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778 CC Fee 6%
$14.12 All Things Firearm ★★★★★ (3)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Free Shipping > $500
$14.16 Timber Hole Outdoors ★★★★★ (5)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $14 Free Shipping > $500 CC Fee 3%
$14.24 Minutemen Defense ★★★★★ (54)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Free Shipping > $1,250
$14.24 Nadir Solutions ★★★★★ (18)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $10
$14.36 AZ Arms Depot ★★★★★ (229)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778 Free Shipping > $1,250
$14.38 Nadir Solutions ★★★★★ (18)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $20
$14.42 JB Armament ★★★★★ (126)
CMMG 55AFC5B-FDE 30rd 5.56mm Fits MK4/AR15 FDE Polymer
5.56x45mm
UPC 810148629588 Shipping $20
$14.42 JB Armament ★★★★★ (126)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $20
$14.48 Custom Creatives Group ★★★★★ (24)
CMMG 5.56MM Mk4 AR15 Magazine 30rd Capacity
5.56x45mm
UPC 810148626778 Free Shipping > $500
$14.48 Shooting Surplus ★★★★★ (193)
CMMG Magazine Extension Kit for FN Five-Seven Pistol 10 rds
5.7x28mm FN
UPC 852005002028
$14.56 Redsand Tactical
MAG CMMG AR15 6.5 GRENDEL 10RD BLK
6.5 Grendel
UPC 815835019543 $5 Off - Use Code CALIBERKING
$14.60 Gun Place ★★★★★ (206)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $14 Free Shipping > $500 CC Fee 3%
$14.67 Minutemen Defense ★★★★★ (54)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$14.68 Redsand Tactical
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Shipping $18
$14.72 Sharp's Shooting Supply ★★★★★ (34)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778
$14.75 Don's Weaponry ★★★★★ (252)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $15 Free Shipping > $500
$14.86 Kinetic Armory ★★★★★ (3)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $18
$14.86 Sharp's Shooting Supply ★★★★★ (34)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $19 Free Shipping > $750
$14.86 Riddle Firearms
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $20
$14.93 Custom Creatives Group ★★★★★ (24)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778
$14.95 Get Guns N Ammo
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$14.95 Get Guns N Ammo
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028 Shipping $13 Free Shipping > $500
$14.97 Axolotl Arms ★★★★★ (126)
MAG CMMG AR15 6.6 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543 Free Shipping > $900 CC Fee 3%
$14.97 Armed in Michigan ★★★★★ (714)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778
$14.98 Redsand Tactical
CMMG 5.56 NATO 30rd FDE Mk4/AR-15 Magazine
5.56x45mm
UPC 810148629588 Shipping $10
$14.99 Alexander's Store ★★★★★ (1,532)
CMMG FN Five-seveN Magazine Extension Kit - 10 Round Capacity
5.7x28mm FN
UPC 852005002028 Shipping $10
$14.99 Alexander's Store ★★★★★ (1,532)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $15 Free Shipping > $149
$14.99 Extreme Products ★★★★★ (83)
CMMG 55AFC5B-FDE 30rd 5.56mm Fits MK4/AR15 FDE Polymer
5.56x45mm
UPC 810148629588 Shipping $15 Free Shipping > $149
$14.99 Extreme Products ★★★★★ (83)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588
$14.99 Precision Gunworks
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778
$14.99 Big Bee Bee ★★★★★ (11)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$14.99 Big Bee Bee ★★★★★ (11)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
Limit 6 UPC 810148629588
$14.99 Pathfinder Militaria ★★★★★ (106)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 CC Fee 3%
$14.99 Cornerstone Arms ★★★★★ (373)
CMMG 55AFC5B-FDE 30rd 5.56mm Fits MK4/AR15 FDE Polymer
5.56x45mm
UPC 810148629588 CC Fee 3%
$14.99 Cornerstone Arms ★★★★★ (373)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $15 Free Shipping > $500
$15.00 Garrison's Guns ★★★★★ (21)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778 Shipping $19 Free Shipping > $750
$15.00 Riddle Firearms
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778
$15.00 Birmingham Hill Armory ★★★★★ (16)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$15.00 Birmingham Hill Armory ★★★★★ (16)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $20 Free Shipping > $1,000
$15.08 Dave's Guns ★★★★★ (28)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $20 Free Shipping > $1,000
$15.08 Dave's Guns ★★★★★ (28)
CMMG Mk4/AR-15 Magazine FDE 5.56mm 30/ct
5.56x45mm
UPC 810148629588 Shipping $13 Free Shipping > $500
$15.10 Axolotl Arms ★★★★★ (126)
MAG CMMG AR15 6.6 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543
$15.24 Vital Defense ★★★★★ (14)
CMMG Gen I 10 Round 5.7x28mm Five-Seven Magazine Extension Kit, Black - 57AFD1E
5.7x28mm FN
UPC 852005002028
$15.29 Palmetto State Armory ★★★★★ (1,164)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778 Shipping $15 Free Shipping > $500
$15.31 Kinetic Armory ★★★★★ (3)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $18
$15.31 Sharp's Shooting Supply ★★★★★ (34)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588
$15.35 Tungsten Creek Tactical
CMMG 30rds 5.56x45mm, Flat Dark Earth
5.56x45mm
UPC 810148629588
$15.39 Palmetto State Armory ★★★★★ (1,164)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028
$15.56 Utah Fast ★★★★★ (101)
CMMG 55AFC5B 30rd 5.56mm Fits MK4/AR15 Black Polymer
5.56x45mm
UPC 810148626778 Shipping $13 Free Shipping > $500
$15.57 Axolotl Arms ★★★★★ (126)
MAG CMMG AR15 6.6 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543 Shipping $20
$15.61 Down Range Firearms ★★★★★ (8)
CMMG AR-15 Magazine 10rd 6.5 Grendel/6mm ARC Black
6.5 Grendel
Limit 9 UPC 815835019543
$15.61 Georgia Guns & Ammo ★★★★★ (2)
MAG CMMG AR15 6.5 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543
$15.75 Pickett's Mill Armory ★★★★★ (26)
MAG CMMG AR15 6.5 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543
$15.80 Allied Arms ★★★★★ (310)
CMMG MAGAZINE 5.56 MK4/AR15 - CONVERSION 30RD
5.56x45mm
UPC 810148626778
$15.82 Tungsten Creek Tactical
MAG CMMG AR15 6.6 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543 Shipping $20 Free Shipping > $1,000
$15.89 Life2A ★★★★★ (3)
MAG CMMG AR15 6.6 GRENDEL 10RD BLK
6.5 Grendel
Limit 9 UPC 815835019543
$15.95 MCM Tactical ★★★★★ (60)
MAG CMMG 5.56NAT0 30RD FDE
5.56x45mm
UPC 810148629588 Shipping $10 Free Shipping > $100
$15.96 Conkey's Outdoors ★★★★★ (175)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
5.7x28mm FN
UPC 852005002028
$15.99 Pathfinder Militaria ★★★★★ (106)

CMMG Magazines Price Graph

Today's CMMG Magazines average is $14.25/mag, 1% below the 180-day average of $14.44/mag. Over the last 180 days, the average peaked at $16.08/mag on March 19, 2026 and bottomed at $13.97/mag on August 28, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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