5.7x28mm FN CMMG Brand Magazines for Sale

Price History
5.7x28mm FN
CMMG
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Free Shipping > $900 CC Fee 3%
$13.17 Armed in Michigan ★★★★★ (714)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Shipping $20
$13.25 Down Range Firearms ★★★★★ (8)

5.7x28mm FN CMMG Magazines Price Graph

Today's 5.7x28mm FN CMMG Magazines average is $23.72/mag, in line with the 180-day average of $23.77/mag. Over the last 180 days, the average peaked at $54.68/mag on March 20, 2026 and bottomed at $21.59/mag on May 21, 2026.

CMMG Magazine Extension Kit for FN Five-Seven Pistol 10 rds
UPC 852005002028
$13.31 Vizards Guns and Ammo ★★★★★ (1,070)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$13.41 Allied Arms ★★★★★ (310)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Shipping $20 Free Shipping > $1,000
$13.50 Life2A ★★★★★ (3)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$13.54 MCM Tactical ★★★★★ (60)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Free Shipping > $500
$13.62 Timber Hole Outdoors ★★★★★ (5)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$13.74 Vital Defense ★★★★★ (14)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Shipping $10
$13.99 AZ Arms Depot ★★★★★ (229)
CMMG 57AFD1E Extension 5.7x28mm 10 Round Mag Extension for FN Five-seveN
UPC 852005002028 Free Shipping > $500
$14.00 Shooting Surplus ★★★★★ (193)

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Products at their 90-day low price.

Unsubscribe anytime with one click.

CMMG 57AFD1E Extension 5.7x28mm 10 Compatible w/FN Gen1 Five-seveN Magazines
UPC 852005002028
$14.00 CLB Guns ★★★★★ (45)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Shipping $14 Free Shipping > $500 CC Fee 3%
$14.11 Minutemen Defense ★★★★★ (54)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Free Shipping > $1,250
$14.11 Nadir Solutions ★★★★★ (18)
CMMG Magazine Extension Kit for FN Five-Seven Pistol 10 rds
UPC 852005002028
$14.56 Redsand Tactical
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Shipping $18
$14.72 Sharp's Shooting Supply ★★★★★ (34)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Shipping $13 Free Shipping > $500
$14.97 Axolotl Arms ★★★★★ (126)
CMMG FN Five-seveN Magazine Extension Kit - 10 Round Capacity
UPC 852005002028 Shipping $10
$14.99 Alexander's Store ★★★★★ (1,532)
CMMG Gen I 10 Round 5.7x28mm Five-Seven Magazine Extension Kit, Black - 57AFD1E
UPC 852005002028
$15.29 Palmetto State Armory ★★★★★ (1,164)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$15.56 Utah Fast ★★★★★ (101)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$15.99 Brickhouse Firearms
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$15.99 Black Bayou Armory ★★★★★ (83)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$15.99 Pathfinder Militaria ★★★★★ (106)
CMMG 57AFD1E Extension 5.7x28mm 10 Compatible w/FN Gen1 Five-seveN Magazines
Limit 1 UPC 852005002028 Shipping $11
$16.49 Selway Armory ★★★★★ (186)
CMMG 10RND EXT FN5.7 FITS 20RD MAGS
UPC 852005002028
$16.99 WTW Arms ★★★★★ (68)
CMMG Magazine Extension Kit for FN Five-Seven Pistol 10 rds
UPC 852005002028
$16.99 Get Guns N Ammo
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 $5 Off - Use Code CALIBERKING
$22.83 Gun Place ★★★★★ (206)
CMMG 5.7X28MM Magazine 10 Round Capacity for MK4 AR15 Matte Finish
UPC 810097507630 Free Shipping > $500
$23.20 Shooting Surplus ★★★★★ (193)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Free Shipping > $900 CC Fee 3%
$23.38 Armed in Michigan ★★★★★ (714)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 $5 Off - Use Code CALIBERKING
$23.64 Gun Place ★★★★★ (206)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$23.83 Vital Defense ★★★★★ (14)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623 Free Shipping > $900 CC Fee 3%
$24.08 Armed in Michigan ★★★★★ (714)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623
$24.19 Vital Defense ★★★★★ (14)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $20
$24.40 Down Range Firearms ★★★★★ (8)
CMMG MK4/AR15 5.7x28mm 10rd Magazine
UPC 810097507630
$24.40 Georgia Guns & Ammo ★★★★★ (2)
CMMG 5.7x28mm 32rd Gen II AR-15 Magazine
UPC 810097507623
$24.52 Georgia Guns & Ammo ★★★★★ (2)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$24.62 Pickett's Mill Armory ★★★★★ (26)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$24.68 Allied Arms ★★★★★ (310)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $20 Free Shipping > $1,000
$24.85 Life2A ★★★★★ (3)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$24.94 MCM Tactical ★★★★★ (60)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$25.00 CLB Guns ★★★★★ (45)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Free Shipping > $500
$25.07 Timber Hole Outdoors ★★★★★ (5)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 Shipping $20
$25.27 Down Range Firearms ★★★★★ (8)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 CC Fee 6%
$25.53 All Things Firearm ★★★★★ (3)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623
$25.68 Allied Arms ★★★★★ (310)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 Shipping $20 Free Shipping > $1,000
$25.74 Life2A ★★★★★ (3)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623 Free Shipping > $500
$25.97 Timber Hole Outdoors ★★★★★ (5)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $14 Free Shipping > $500 CC Fee 3%
$25.98 Minutemen Defense ★★★★★ (54)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Free Shipping > $1,250
$25.98 Nadir Solutions ★★★★★ (18)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$25.99 Big Bee Bee ★★★★★ (11)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623
$26.00 CLB Guns ★★★★★ (45)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$26.00 Highland Arms ★★★★★ (49)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $10
$26.20 AZ Arms Depot ★★★★★ (229)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $13 Free Shipping > $500
$26.20 Axolotl Arms ★★★★★ (126)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$26.27 Redsand Tactical
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $20
$26.43 Custom Creatives Group ★★★★★ (24)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm, Black Polymer, Fits MK4/AR-15 Platform
UPC 810097507623 Shipping $20
$26.44 JB Armament ★★★★★ (126)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm MK4 AR-15 Polymer
UPC 810097507623 Free Shipping > $500
$26.55 Shooting Surplus ★★★★★ (193)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$26.66 Don's Weaponry ★★★★★ (252)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 Shipping $14 Free Shipping > $500 CC Fee 3%
$26.91 Minutemen Defense ★★★★★ (54)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623
$26.98 Patriotic Firearms
CMMG MK4/AR15 5.7x28mm 10-Round Magazine
UPC 810097507630 Shipping $10
$26.99 Alexander's Store ★★★★★ (1,532)
CMMG MAGAZINE 5.7X28MM AR15 - CONVERSION 32RD
UPC 810097507623
$26.99 Big Bee Bee ★★★★★ (11)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm, Black Polymer, Fits MK4/AR-15 Platform
UPC 810097507623 CC Fee 3%
$26.99 Cornerstone Arms ★★★★★ (373)
CMMG MAG MK4/AR15 5.7MM 10RD
UPC 810097507630 Shipping $15 Free Shipping > $500
$27.00 Garrison's Guns ★★★★★ (21)
CMMG 5.7 AR Conversion Gen II 10 Round Magazine, 5.7x28mm
$27.00 Midwest Gun Works ★★★★★ (1,200)
CMMG 5.7 AR Conversion Gen II 32 Round Magazine, 5.7x28mm
$27.00 Midwest Gun Works ★★★★★ (1,200)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $15 Free Shipping > $500
$27.11 Kinetic Armory ★★★★★ (3)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $18
$27.11 Sharp's Shooting Supply ★★★★★ (34)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $19 Free Shipping > $750
$27.11 Riddle Firearms
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623 Shipping $13 Free Shipping > $500
$27.14 Axolotl Arms ★★★★★ (126)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623 Shipping $20 Free Shipping > $1,000
$27.14 Dave's Guns ★★★★★ (28)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623
$27.29 MCM Tactical ★★★★★ (60)
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623 Shipping $20
$27.38 Custom Creatives Group ★★★★★ (24)
CMMG 54AFC44 MAG AR CONV G2 5.7 10R
UPC 810097507630
$27.50 Bulletproof Outfitters ★★★★★ (133)
CMMG 5.7x28 Magazine Mk4/AR-15 10rd - 54AFC44
UPC 810097507630
$27.59 Palmetto State Armory ★★★★★ (1,164)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623
$27.61 Don's Weaponry ★★★★★ (252)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 CC Fee 6%
$27.93 All Things Firearm ★★★★★ (3)
CMMG 5.7 AR Conversion Magazine Gen II 32rd
UPC 810097507623 Shipping $10
$27.99 Alexander's Store ★★★★★ (1,532)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$27.99 2 If By Sea Tactical ★★★★★ (135)
CMMG MAG MK4/AR15 5.7MM 32RD
UPC 810097507623 Shipping $15 Free Shipping > $500
$28.00 Garrison's Guns ★★★★★ (21)
CMMG MAGAZINE 5.7X28MM AR15 - CONVERSION 32RD
UPC 810097507623
$28.00 Birmingham Hill Armory ★★★★★ (16)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623
$28.00 Highland Arms ★★★★★ (49)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$28.01 Tungsten Creek Tactical
CMMG MAGAZINE 5.7X28MM AR15 - CONVERSION 32RD
UPC 810097507623 Shipping $15 Free Shipping > $500
$28.08 Kinetic Armory ★★★★★ (3)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 Shipping $18
$28.08 Sharp's Shooting Supply ★★★★★ (34)
MAG CMMG MK4/AR15 5.7X28MM 32RD
UPC 810097507623 Free Shipping > $1,250
$28.43 Nadir Solutions ★★★★★ (18)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $10 Free Shipping > $100
$28.61 Conkey's Outdoors ★★★★★ (175)
CMMG MAGAZINE 5.7X28MM AR15 - CONVERSION 32RD
UPC 810097507623
$28.85 Redsand Tactical
CMMG AR Conversion Magazine MK4 AR15 5.7x28mm FN 32 Round Capacity
UPC 810097507623 Free Shipping > $500
$28.91 Shooting Surplus ★★★★★ (193)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $17.50 Free Shipping > $250
$28.95 Ammunitions for Sale
CMMG Replacement Magazine - CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4AR15 Platform
UPC 810097507623 Shipping $8
$28.99 Guns.com ★★★★★ (38,455)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$28.99 Brickhouse Firearms
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623
$28.99 2 If By Sea Tactical ★★★★★ (135)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$28.99 Black Bayou Armory ★★★★★ (83)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630
$28.99 Pathfinder Militaria ★★★★★ (106)
CMMG MAGAZINE 5.7X28MM AR15 - CONVERSION 32RD
UPC 810097507623
$29.02 Tungsten Creek Tactical
CMMG 5.7x28mm AR15 Magazine 32 Round
UPC 810097507623 Shipping $16
$29.25 Caliber Depot ★★★★★ (6)
MAG CMMG MK4/AR15 5.7X28MM 10RD
UPC 810097507630 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$29.28 Scottsodg.com
CMMG 54AFCC8 Replacement Magazine Gen 2 32rd 5.7x28mm Black Polymer Fits MK4/AR-15 Platform
UPC 810097507623 Shipping $11
$29.49 Selway Armory ★★★★★ (186)
CMMG MAGAZINE 5.7X28MM AR15 - CONVERSION 32RD
UPC 810097507623
$29.53 The Arsenal Project ★★★★★ (16)

5.7x28mm FN CMMG Magazines Price Graph

Today's 5.7x28mm FN CMMG Magazines average is $23.72/mag, in line with the 180-day average of $23.77/mag. Over the last 180 days, the average peaked at $54.68/mag on March 20, 2026 and bottomed at $21.59/mag on May 21, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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