SIG SAUER P320 - This magazine is designed for the Sig Sauer P320 full

Price History

UPC 798681561018 from 59 retailers

  • Magazines
  • .357 SIG
  • Sig Sauer
Shipping:
Sig Sauer P320 Full-Size .40 S&W/.357 SIG 18-Round Magazine
Shipping $10.80
$40.75/ct $40.75 Deerford Defense
MAGAZINE, P320, 40/357, 18RD MAG, FULL-SIZE
$41.14/ct $41.14 Gun Wise

UPC 798681561018 Price Graph

Today's low is $40.75/mag, in line with the 180-day average low of $40.92/mag. Over the last 180 days, the lowest price peaked at $42.20/mag on April 26, 2026 and bottomed at $37.98/mag on March 11, 2026.

SIG SAUER MAG 320/250 357SIG/40S&W 18RD
Free Shipping > $900 CC Fee 3%
$41.59/ct $41.59 Armed in Michigan ★★★★★ (714)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
$42.88/ct $42.88 Patriotic Firearms
P320 Magazine .40s&W/.357 - 18 Round Extended 40/357 Full-Size Magazine, Black
9mm
$42.99/ct $42.99 Brownells ★★★★★ (737)
Sig Sauer P250 / P320 Full-Size .40 S&W / .357 Sig 18-Round Magazine
$42.99/ct $42.99 GunMag Warehouse ★★★★★ (71)
Sig Sauer P320/P250 18rd Magazine - .40 S&W/.357 Sig
$43.20/ct $43.20 Georgia Guns & Ammo ★★★★★ (2)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$43.60/ct $43.60 Pickett's Mill Armory ★★★★★ (26)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$43.90/ct $43.90 Allied Arms ★★★★★ (310)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
Shipping $20 Free Shipping > $1,000
$44.00/ct $44.00 Life2A ★★★★★ (3)

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Sig Sauer MAGMODF4318 P320/P250 18rd 40S&W/357Sig Blued Metal
.40 S&W
$44.00/ct $44.00 CLB Guns ★★★★★ (45)
Sig Sauer Handgun Magazine P320 Full-Size .40/357 cal 18/rd
.40 S&W
$44.16/ct $44.16 MCM Tactical ★★★★★ (60)
MAG SIG P250/P320-FS 40/357 18RD BLK
Free Shipping > $500
$44.40/ct $44.40 Timber Hole Outdoors ★★★★★ (5)
Sig Sauer Handgun Magazine P320 Full-Size .40/357 cal 18/rd
CC Fee 6%
$44.80/ct $44.80 All Things Firearm ★★★★★ (3)
Sig Sauer Handgun Magazine P320 Full-Size .40/357 cal 18/rd
.40 S&W
Shipping $20
$45.20/ct $45.20 JB Armament ★★★★★ (126)
Sig Sauer P320/P250 18rd Magazine .40 S&W/.357 SIG Metal
Free Shipping > $500
$45.85/ct $45.85 Shooting Surplus ★★★★★ (193)
MAG SIG P250/P320-FS 40/357 18RD BLK
.40 S&W
Shipping $20 Free Shipping > $1,000
$45.94/ct $45.94 Dave's Guns ★★★★★ (28)
MAG SIG P250/P320-FS 40/357 18RD BLK
Shipping $14 Free Shipping > $500 CC Fee 3%
$46.00/ct $46.00 Minutemen Defense ★★★★★ (54)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
Free Shipping > $1,250
$46.00/ct $46.00 Nadir Solutions ★★★★★ (18)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$46.00/ct $46.00 Highland Arms ★★★★★ (49)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$46.04/ct $46.04 Redsand Tactical
MAG SIG P250/P320-FS 40/357 18RD BLK
Shipping $10
$46.40/ct $46.40 AZ Arms Depot ★★★★★ (229)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
Shipping $13 Free Shipping > $500
$46.40/ct $46.40 Axolotl Arms ★★★★★ (126)
MAG SIG P250/P320-FS 40/357 18RD BLK
.40 S&W
Shipping $20
$46.40/ct $46.40 Down Range Firearms ★★★★★ (8)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
Shipping $20
$46.80/ct $46.80 Custom Creatives Group ★★★★★ (24)
Sig Sauer P320, P250 .40 S&W, .357 SIG 18 Round Extended Magazine
Shipping $6
$46.99/ct $46.99 The Mag Shack
Sig Sauer P320 18rd .40/.357 Full-Size Magazine Black
.40 S&W
Shipping $10
$46.99/ct $46.99 Alexander's Store ★★★★★ (1,532)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
Shipping $15 Free Shipping > $149
$46.99/ct $46.99 Extreme Products ★★★★★ (83)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$46.99/ct $46.99 Big Bee Bee ★★★★★ (11)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
CC Fee 3%
$46.99/ct $46.99 Cornerstone Arms ★★★★★ (373)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
$47.20/ct $47.20 Don's Weaponry ★★★★★ (252)
Sig Sauer Mag P320 40/357 Full MAGMODF4318 18rd
.40 S&W
Shipping $15 Free Shipping > $500
$47.99/ct $47.99 BuyAGun ★★★★★ (3)
Sig Sauer 18 Round .40 S&W/.357 SIG Magazine, Black - MAGMODF4318
$47.99/ct $47.99 Palmetto State Armory ★★★★★ (1,164)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
Shipping $15 Free Shipping > $500
$48.00/ct $48.00 Kinetic Armory ★★★★★ (3)
Sig Sauer MAGMODF4318 P320/P250 18rd 40S&W/357Sig Blued Metal
Shipping $15 Free Shipping > $500
$48.00/ct $48.00 Garrison's Guns ★★★★★ (21)
Sig Sauer MAGMODF4318 P320/P250 18rd 40 S&W/357 Sig Blued Metal
.40 S&W
Shipping $18
$48.00/ct $48.00 Sharp's Shooting Supply ★★★★★ (34)
MAG SIG P250/P320-FS 40/357 18RD BLK
Shipping $19 Free Shipping > $750
$48.00/ct $48.00 Riddle Firearms
Sig Sauer MAGMODF4318 P320/P250 18rd 40S&W/357Sig Blued Metal
.40 S&W
$48.00/ct $48.00 Birmingham Hill Armory ★★★★★ (16)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
$48.99/ct $48.99 2 If By Sea Tactical ★★★★★ (135)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$49.60/ct $49.60 Tungsten Creek Tactical
Sig Sauer MAGMODF4318 P320/P250 18rd 40S&W/357Sig Blued Metal
.40 S&W
Shipping $11
$49.99/ct $49.99 Selway Armory ★★★★★ (186)
MAG SIG P250/P320-FS 40/357 18RD BLK
$49.99/ct $49.99 Get Guns N Ammo
Sig Sauer P250/P320 Full Size .40 S&W/.357 SIG 18 Round Magazine
Shipping $16
$50.00/ct $50.00 Caliber Depot ★★★★★ (6)
MAG SIG P250/P320-FS 40/357 18RD BLK
.40 S&W
Shipping $10 Free Shipping > $100
$50.17/ct $50.17 Conkey's Outdoors ★★★★★ (175)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$50.96/ct $50.96 Scottsodg.com
SIG SAUER P320 - This magazine is designed for the Sig Sauer P320 full sized. It features an 18 round capacity and works with .40 Auto and 357 Sig ammunition.
9mm
Shipping $8
$50.99/ct $50.99 Guns.com ★★★★★ (38,455)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$50.99/ct $50.99 Brickhouse Firearms
MAG SIG P250/P320-FS 40/357 18RD BLK
$50.99/ct $50.99 Pathfinder Militaria ★★★★★ (106)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$50.99/ct $50.99 Black Bayou Armory ★★★★★ (83)
MAG SIG P250/P320-FS 40/357 18RD BLK
$51.99/ct $51.99 WTW Arms ★★★★★ (68)
Sig Sauer MAG 320/250 357SIG/40S&w 18RD
.40 S&W
$52.24/ct $52.24 Shiner Tactical ★★★★★ (6)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
Free Shipping > $700
$54.34/ct $54.34 Freedom Firearms ★★★★★ (2)
Sig Sauer MAG-MOD-F-43-18 P320/P250 40 S&W/357 Sig 18-Round Magazine, Black
Free Shipping
$54.99/ct $54.99 Bereli ★★★★★ (1,013)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$55.04/ct $55.04 Bulletproof Outfitters ★★★★★ (133)
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
.40 S&W
$56.00/ct $56.00 Firearms Express
SIG SAUER MAG 320/250 357SIG/40S&W 18RD
$58.99/ct $58.99 Coastal Firearms
SIG SAUER P320 40/357 Full Size 18 Round Pistol Magazine Blued 1 Pack Metal 18RD
9mm
Free Shipping
$59.99/ct $59.99 Optics Planet
Sig Sauer MAGMODF4318 P320/P250 18rd 40S&W/357Sig Blued Metal
.40 S&W
$60.00/ct $60.00 EK Tactical ★★★★★ (10)
MAG SIG P250/P320-FS 40/357 18RD BLK
.40 S&W
Shipping $15 CC Fee 3%
$78.60/ct $78.60 Armadillo Depot
Sig Sauer MAG-MOD-F-43-18 P320/P250 40 S&W/357 Sig 18-Round Magazine, Black
Free Shipping
$241.99/ct $241.99 Bereli ★★★★★ (1,013)
Sig Sauer MAG-MOD-F-43-18 P320/P250 40 S&W/357 Sig 18-Round Magazine, Black
Free Shipping
$477.99/ct $477.99 Bereli ★★★★★ (1,013)

UPC 798681561018 Price Graph

Today's low is $40.75/mag, in line with the 180-day average low of $40.92/mag. Over the last 180 days, the lowest price peaked at $42.20/mag on April 26, 2026 and bottomed at $37.98/mag on March 11, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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