PROMAG REPLACEMENT MAGAZINE - This magazine will fit a Glock 21 and

Price History

UPC 708279014369 from 63 retailers

  • Magazines
  • .45 ACP
  • ProMag
Shipping:
PROMAG FOR GLK 21 45ACP 13RD BLK
$5 Off - Use Code CALIBERKING
$12.99/ct $12.99 Gun Place ★★★★★ (206)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $20
$14.14/ct $14.14 Down Range Firearms ★★★★★ (8)
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UPC 708279014369 Price Graph

Today's low is $12.99/mag, 1% below the 180-day average low of $13.09/mag. Over the last 180 days, the lowest price peaked at $13.60/mag on May 25, 2026 and bottomed at $12.41/mag on April 21, 2026.

ProMag GLKA14 Glock Compatible 45 ACP G21,30 13rd Black Detachable
$13.10/ct $13.10 Gun Wise
PROMAG FOR GLK 21 45ACP 13RD BLK
Free Shipping > $900 CC Fee 3%
$13.55/ct $13.55 Armed in Michigan ★★★★★ (714)
PROMAG FOR GLK 21 45ACP 13RD BLK
$13.81/ct $13.81 Vital Defense ★★★★★ (14)
ProMag .45 ACP 13-Round Magazine for Glock 21 Pistols
$13.99/ct $13.99 GunMag Warehouse ★★★★★ (71)
ProMag GLKA14 13rd Magazine for Glock 21/30 .45 ACP
$14.14/ct $14.14 Georgia Guns & Ammo ★★★★★ (2)
PROMAG FOR GLK 21 45ACP 13RD BLK
$14.27/ct $14.27 Pickett's Mill Armory ★★★★★ (26)
PROMAG FOR GLK 21 45ACP 13RD BLK
$14.30/ct $14.30 Allied Arms ★★★★★ (310)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $20 Free Shipping > $1,000
$14.40/ct $14.40 Life2A ★★★★★ (3)

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PROMAG FOR GLK 21 45ACP 13RD BLK
$14.45/ct $14.45 MCM Tactical ★★★★★ (60)
PROMAG FOR GLK 21 45ACP 13RD BLK
Free Shipping > $500
$14.53/ct $14.53 Timber Hole Outdoors ★★★★★ (5)
PROMAG FOR GLK 21 45ACP 13RD BLK
$14.61/ct $14.61 Patriotic Firearms
13RD MAGAZINE FOR GLOCK~ 21 45ACP POLYMER BLACK
$14.74/ct $14.74 Don's Weaponry ★★★★★ (252)
PROMAG FOR GLK 21 45ACP 13RD BLK
CC Fee 6%
$14.79/ct $14.79 All Things Firearm ★★★★★ (3)
ProMag Polymer Magazine Glock 21 .45 ACP 13 Round Capacity
Free Shipping > $500
$14.94/ct $14.94 Shooting Surplus ★★★★★ (193)
PROMAG FOR GLK 21 45ACP 13RD BLK
$15.00/ct $15.00 Highland Arms ★★★★★ (49)
ProMag GLKA14 Standard 13rd 45 ACP Compatible w/ Glock 30/21 Black DuPont Zytel Polymer
$15.00/ct $15.00 CLB Guns ★★★★★ (45)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $14 Free Shipping > $500 CC Fee 3%
$15.05/ct $15.05 Minutemen Defense ★★★★★ (54)
PROMAG FOR GLK 21 45ACP 13RD BLK
Free Shipping > $1,250
$15.05/ct $15.05 Nadir Solutions ★★★★★ (18)
Promag Magazine for Glock 21 .45 ACP Black Polymer 13/rd
Shipping $20
$15.16/ct $15.16 JB Armament ★★★★★ (126)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $10
$15.18/ct $15.18 AZ Arms Depot ★★★★★ (229)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $20
$15.32/ct $15.32 Custom Creatives Group ★★★★★ (24)
Promag Magazine for Glock 21 .45 ACP Black Polymer 13/rd
$15.35/ct $15.35 The Arsenal Project ★★★★★ (16)
Promag Magazine for Glock 21 .45 ACP Black Polymer 13/rd
$15.49/ct $15.49 Redsand Tactical
ProMag Glock Model 21 .45 ACP 13 Round Magazine - Black
Shipping $16
$15.61/ct $15.61 Caliber Depot ★★★★★ (6)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $15 Free Shipping > $500
$15.71/ct $15.71 Kinetic Armory ★★★★★ (3)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $18
$15.71/ct $15.71 Sharp's Shooting Supply ★★★★★ (34)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $19 Free Shipping > $750
$15.71/ct $15.71 Riddle Firearms
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $20 Free Shipping > $1,000
$15.83/ct $15.83 Dave's Guns ★★★★★ (28)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $13 Free Shipping > $500
$15.97/ct $15.97 Axolotl Arms ★★★★★ (126)
ProMag 13-Round .45 ACP Magazine for Glock 21
Shipping $10
$15.99/ct $15.99 Alexander's Store ★★★★★ (1,532)
ProMag GLKA14 Standard 13rd 45 ACP Compatible w/ Glock 30/21 Black DuPont Zytel Polymer
Shipping $15 Free Shipping > $149
$15.99/ct $15.99 Extreme Products ★★★★★ (83)
ProMag 13RD MAGAZINE FOR GLOCK~ 21 45ACP POLYMER BLACK
Shipping $15 Free Shipping > $500
$15.99/ct $15.99 BuyAGun ★★★★★ (3)
.45acp Magazine For GlockA(R) 21 - 13rd Magazine For GlockA(R) 21 45acp Polymer Black
$15.99/ct $15.99 Brownells ★★★★★ (737)
PROMAG FOR GLK 21 45ACP 13RD BLK
$15.99/ct $15.99 Big Bee Bee ★★★★★ (11)
PROMAG FOR GLK 21 45ACP 13RD BLK
CC Fee 3%
$15.99/ct $15.99 Cornerstone Arms ★★★★★ (373)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $15 Free Shipping > $500
$16.00/ct $16.00 Garrison's Guns ★★★★★ (21)
PROMAG FOR GLK 21 45ACP 13RD BLK
$16.00/ct $16.00 Birmingham Hill Armory ★★★★★ (16)
PROMAG FOR GLK 21 45ACP 13RD BLK
$16.00/ct $16.00 Precision Gunworks
PROMAG FOR GLK 21 45ACP 13RD BLK
$16.23/ct $16.23 Tungsten Creek Tactical
ProMag 13 Round .45 ACP Magazine, Black - GLKA14
$16.29/ct $16.29 Palmetto State Armory ★★★★★ (1,164)
ProMag 13 Round Detachable Magazine for Glock G21/G30, 45 ACP, Black Finish (GLKA14)
$16.47/ct $16.47 Able Ammo ★★★★★ (397)
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $10 Free Shipping > $100
$16.84/ct $16.84 Conkey's Outdoors ★★★★★ (175)
PROMAG REPLACEMENT MAGAZINE - This magazine will fit a Glock 21 and can hold up to 13rounds of 45 ACP.
Shipping $8
$16.99/ct $16.99 Guns.com ★★★★★ (38,455)
ProMag GLKA14 Standard 13rd 45 ACP Compatible w/ Glock 30/21 Black DuPont Zytel Polymer
Shipping $11
$16.99/ct $16.99 Selway Armory ★★★★★ (186)
PROMAG FOR GLK 21 45ACP 13RD BLK
Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$16.99/ct $16.99 Brickhouse Firearms
PROMAG FOR GLK 21 45ACP 13RD BLK
$16.99/ct $16.99 2 If By Sea Tactical ★★★★★ (135)
PROMAG FOR GLK 21 45ACP 13RD BLK
$16.99/ct $16.99 Pathfinder Militaria ★★★★★ (106)
PRO MAG MAGAZINE FOR GLOCK 21 - 45ACP 13RD BLACK POLYMER
Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$17.45/ct $17.45 Scottsodg.com
Promag For Glk 21 45 ACP 13RD BLK
$17.52/ct $17.52 Shiner Tactical ★★★★★ (6)
13RD MAGAZINE FOR GLOCK~ 21 45ACP POLYMER BLACK
Shipping $17.50 Free Shipping > $250
$17.95/ct $17.95 Ammunitions for Sale
PROMAG FOR GLK 21 45ACP 13RD BLK
$17.99/ct $17.99 WTW Arms ★★★★★ (68)
PRO MAG MAGAZINE FOR GLOCK 21 - 45ACP 13RD BLACK POLYMER
$17.99/ct $17.99 Get Guns N Ammo
PROMAG FOR GLK 21 45ACP 13RD BLK
$18.00/ct $18.00 Ecommerce Arms
ProMag GLKA14 Standard 13rd 45 ACP Compatible w/ Glock 30/21 Black DuPont Zytel Polymer
Free Shipping > $700
$18.67/ct $18.67 Freedom Firearms ★★★★★ (2)
PROMAG FOR GLK 21 45ACP 13RD BLK
$18.68/ct $18.68 Bulletproof Outfitters ★★★★★ (133)
Promag Magazine for Glock 21 .45 ACP Black Polymer 13/rd
$18.79/ct $18.79 Firearms Express
ProMag GLK-A14 Glock 21 45 ACP 13rd Magazine
Free Shipping
$19.99/ct $19.99 Bereli ★★★★★ (1,013)
ProMag Standard 13 Round Magazine for Glock 21/30
$19.99/ct $19.99 Scheels ★★★★★ (4,982)
PROMAG FOR GLK 21 45ACP 13RD BLK
$19.99/ct $19.99 Coastal Firearms
PROMAG FOR GLK 21 45ACP 13RD BLK
Shipping $15 CC Fee 3%
$25.05/ct $25.05 Armadillo Depot
ProMag Pistol Magazine Glock 21 .45 ACP 13 Round Black 1 Pack DuPont Zytel Polymer 13RD
Free Shipping > $49
$26.69/ct $26.69 Optics Planet
ProMag GLK-A14 Glock 21 45 ACP 13rd Magazine
Free Shipping
$74.99/ct $74.99 Bereli ★★★★★ (1,013)
ProMag GLK-A14 Glock 21 45 ACP 13rd Magazine
Free Shipping
$139.99/ct $139.99 Bereli ★★★★★ (1,013)

UPC 708279014369 Price Graph

Today's low is $12.99/mag, 1% below the 180-day average low of $13.09/mag. Over the last 180 days, the lowest price peaked at $13.60/mag on May 25, 2026 and bottomed at $12.41/mag on April 21, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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