.338-378 Weatherby Mag Weatherby Ammo for Sale

Price History
.338-378 Weatherby Mag
Weatherby
Weatherby WBY H338225IL
228 Grains 20 Rounds Brass New
UPC 747115450664 Shipping $15 Free Shipping > $500
$3.65/rd $72.99 BuyAGun ★★★★★ (3)
Weatherby WBY B338185TTSX
185 Grains 20 Rounds Polymer New
UPC 747115447268 Shipping $15 Free Shipping > $500 Limit 3
$5.05/rd $100.99 BuyAGun ★★★★★ (3)

.338-378 Weatherby Mag Weatherby Ammo Price Graph

Today's .338-378 Weatherby Mag Weatherby Ammo average is $7.01/rd, 8% below the 180-day average of $7.62/rd. Over the last 180 days, the average peaked at $8.32/rd on May 22, 2026 and bottomed at $7.00/rd on August 20, 2026.

Weatherby B333225TTSX Select Plus 338-378 Wthby Mag 225 gr Barnes Tipped TSX Lead Free 20 Bx/ 10 Cs
225 Grains 20 Rounds Brass New
UPC 747115425129
$5.82/rd $116.31 Gman Sporting Arms
Weatherby Select Plus .338-378 Wby Mag 225gr Tipped TSX Ammo – 20 Rounds - 200 Rounds
225 Grains 200 Rounds Polymer New
UPC 747115425129 $5 Off - Use Code CALIBERKING
$6.08/rd $1,215.12 Gun Place ★★★★★ (206)
Weatherby Select Plus .338-378 Wby Mag 225gr Tipped TSX Ammo – 20 Rounds - 80 Rounds
225 Grains 80 Rounds Polymer New
UPC 747115425129 $5 Off - Use Code CALIBERKING
$6.17/rd $493.56 Gun Place ★★★★★ (206)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 CC Fee 6%
$6.26/rd $125.13 All Things Firearm ★★★★★ (3)
Weatherby Select Plus .338-378 Wby Mag 225gr Tipped TSX Ammo – 20 Rounds
225 Grains 20 Rounds Polymer New
UPC 747115425129 $5 Off - Use Code CALIBERKING
$6.26/rd $125.27 Gun Place ★★★★★ (206)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $900 CC Fee 3%
$6.38/rd $127.56 Armed in Michigan ★★★★★ (714)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 CC Fee 3% Limit 3
$6.40/rd $127.99 Cornerstone Arms ★★★★★ (373)
338-378 WBY 262 GR HAMMER SELECT PLUS
262 Grains 20 Rounds Brass New
UPC 747115451692
$6.41/rd $128.27 Gman Sporting Arms

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WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.42/rd $128.46 MCM Tactical ★★★★★ (60)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.44/rd $128.70 Redsand Tactical
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20
$6.47/rd $129.45 Down Range Firearms ★★★★★ (8)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.50/rd $129.91 Patriotic Firearms
Weatherby Select Plus 338-378 Wby Mag 225gr TTSX 20rd
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.52/rd $130.31 Georgia Guns & Ammo ★★★★★ (2)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $1,250
$6.53/rd $130.51 Nadir Solutions ★★★★★ (18)
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $500 Limit 3
$6.55/rd $130.99 Cummings Family Firearms ★★★★★ (52)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $1,000
$6.56/rd $131.20 Spargo Defense
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $14 Free Shipping > $500 CC Fee 3% Limit 3
$6.57/rd $131.40 Minutemen Defense ★★★★★ (54)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.57/rd $131.40 Top Shelf Munitions ★★★★★ (2)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20
$6.58/rd $131.62 Ash Arms ★★★★★ (1)
Weatherby B333225TTSX Select Plus 338-378 Wthby Mag 225 gr Barnes Tipped TSX Lead Free 20 Bx/ 10 Cs
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.58/rd $131.68 Gun Wise
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $18
$6.63/rd $132.64 Blackbox Ballistics ★★★★★ (2)
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $1,000 CC Fee 3%
$6.63/rd $132.64 Bunker Hill Ballistics ★★★★★ (9)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.63/rd $132.67 Vital Defense ★★★★★ (14)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20 Free Shipping > $1,000
$6.64/rd $132.80 Life2A ★★★★★ (3)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.64/rd $132.80 Pickett's Mill Armory ★★★★★ (26)
Weatherby Select Plus .338-378 Weatherby Magnum Ammo 225gr Barnes TTSX 20 Rounds
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.65/rd $132.99 GunMag Warehouse ★★★★★ (71)
WEATHERBY 338-378WBY 225GR BARNES TTSX
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.65/rd $133.00 Armored Boar Gunworks ★★★★★ (53)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping Limit 3
$6.65/rd $133.07 Caliber Exchange ★★★★★ (1)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20
$6.69/rd $133.88 Custom Creatives Group ★★★★★ (24)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.70/rd $133.99 Precision Gunworks
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $500
$6.71/rd $134.09 Timber Hole Outdoors ★★★★★ (5)
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.71/rd $134.09 Tungsten Creek Tactical
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20
$6.72/rd $134.41 Cane Creek Munitions ★★★★★ (25)
Weatherby Select Plus .338-378 Weatherby Mag 225 grain Tipped TSX TTSX Lead Free (20 rd box)
225 Grains 20 Rounds New
Free Shipping > $500
$6.75/rd $134.99 Rivertown Munitions ★★★★★ (130)
Weatherby B333225TTSX Select Plus 338-378 Wthby Mag 225 gr Barnes Tipped TSX Lead Free 20 Bx/ 10 Cs
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.75/rd $134.99 Kind Sniper ★★★★★ (61)
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.75/rd $134.99 2 If By Sea Tactical ★★★★★ (135)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $500 Limit 3
$6.76/rd $135.23 Safe Haven Defense
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20
$6.77/rd $135.38 JB Armament ★★★★★ (126)
Weatherby .338-378 Magnum Ammo 225gr TTSX Ammunition - 20 Rounds
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.79/rd $135.69 Vizards Guns and Ammo ★★★★★ (1,070)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case Ammo for MA, CT, NJ, IL, NY & CA Buyers
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.79/rd $135.69 Vizards Guns and Ammo ★★★★★ (1,070)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.80/rd $135.99 Big Bee Bee ★★★★★ (11)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.80/rd $135.99 Pathfinder Militaria ★★★★★ (106)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.80/rd $136.00 Loftus Firearms ★★★★★ (13)
Weatherby Select Plus 338-378 Wthby Mag 225 gr Barnes Tipped TSX Lead Free Box of 20
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.82/rd $136.42 De Leon RX & Sporting Goods ★★★★★ (216)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.84/rd $136.85 Bulletproof Outfitters ★★★★★ (133)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.85/rd $137.00 Darmok Firearms ★★★★★ (37)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.85/rd $137.00 CLB Guns ★★★★★ (45)
Weatherby Select .338-378 Wby Mag 225 gr Barnes TTSX 20ct - 20
225 Grains 20 Rounds New
$6.88/rd $137.64 Republic Ammunition ★★★★★ (95)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $15
$6.94/rd $138.72 Extreme Products ★★★★★ (83)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$6.95/rd $138.99 WTW Arms ★★★★★ (68)
Weatherby 338-378 Wby Mag Barnes TTSX 225gr - 20rds
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $13 Free Shipping > $500
$6.96/rd $139.24 Axolotl Arms ★★★★★ (126)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129
$6.97/rd $139.47 Ecommerce Arms
Weatherby .338-378 Weatherby Magnum Ammo 225 Grain Barnes TTSX Box of 20
225 Grains 20 Rounds Brass New
UPC 747115425129
$7.00/rd $140.07 Drifters Gear ★★★★★ (25)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129
$7.02/rd $140.36 Bayou Brass ★★★★★ (21)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$7.08/rd $141.51 Allied Arms ★★★★★ (310)
Weatherby Select Plus 338-378 Wby Mag 225gr Barnes TTSX 20rd
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $13 Free Shipping > $350
$7.08/rd $141.59 Shadowsmith Ammo ★★★★★ (23)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$7.10/rd $141.93 The Arsenal Project ★★★★★ (16)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $11
$7.10/rd $141.99 Selway Armory ★★★★★ (186)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129
$7.10/rd $142.00 Echo 6 Weapons ★★★★★ (97)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129
$7.10/rd $142.00 The Gun Pantry ★★★★★ (192)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $20 Free Shipping > $1,000 Limit 3
$7.19/rd $143.74 Dave's Guns ★★★★★ (28)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$7.20/rd $143.99 Brickhouse Firearms
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$7.22/rd $144.31 Black Bayou Armory ★★★★★ (83)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $16 Limit 3
$7.25/rd $144.99 Riflenetics ★★★★★ (65)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$7.30/rd $145.99 Mad Wolf Armory ★★★★★ (3)
Weatherby Select Plus Rifle Ammunition 338-378 Wby Mag 262 gr Hammer Custom 3500 fps 20/ct
262 Grains 20 Rounds Brass New
UPC 747115451692 Shipping $18 Limit 5
$7.31/rd $146.20 Blackbox Ballistics ★★★★★ (2)
Weatherby B333225TTSX 338-378 Weatherby Magnum Barnes Tipped TSX 225 Grain 20 Rounds
225 Grains 20 Rounds Polymer New
UPC 747115425129
$7.31/rd $146.27 Shooting Surplus ★★★★★ (193)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $19 Free Shipping > $750
$7.38/rd $147.65 Riddle Firearms
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $10 Free Shipping > $299
$7.40/rd $147.99 Canoe Creek Armory ★★★★★ (17)
Weatherby Select Plus 338-378 Mag 225gr Barnes TTSX
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $10
$7.40/rd $147.99 Alexander's Store ★★★★★ (1,532)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$7.40/rd $148.00 Highland Arms ★★★★★ (49)
338-378 WBY 262 GR HAMMER SELECT PLUS
262 Grains 20 Rounds Brass New
UPC 747115451692
$7.45/rd $148.99 Kind Sniper ★★★★★ (61)
Weatherby Select Plus 338-378 Weatherby Mag 225 grain Barnes TTSX Rifle Ammo, 20/Box - B333225TTSX
225 Grains 20 Rounds Brass New
UPC 747115425129
$7.45/rd $148.99 Palmetto State Armory ★★★★★ (1,164)
Weatherby Select Plus .338-378 Weatherby Magnum Ammo 262gr Hammer Custom 20 Rounds
262 Grains 20 Rounds Brass New
UPC 747115451692
$7.50/rd $149.99 GunMag Warehouse ★★★★★ (71)
338-378 WBY 262 GR HAMMER SELECT PLUS
262 Grains 20 Rounds Brass New
UPC 747115451692
$7.52/rd $150.45 De Leon RX & Sporting Goods ★★★★★ (216)
Weatherby Barnes TTSX B333225TTSX
225 Grains 20 Rounds Polymer New
UPC 747115425129 Shipping $15 Free Shipping > $500
$7.55/rd $150.99 BuyAGun ★★★★★ (3)
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $15 Free Shipping > $500 Limit 3
$7.58/rd $151.62 Kinetic Armory ★★★★★ (3)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $25 Limit 3 $25 Off Orders Over $200 Code LOCKNLOAD25
$7.60/rd $151.90 Scottsodg.com
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $18
$7.61/rd $152.14 Sharp's Shooting Supply ★★★★★ (34)
WBY AMMO 338-378 225GR BARNES TTSX 20/10
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $15 Free Shipping > $500
$7.70/rd $154.00 Garrison's Guns ★★★★★ (21)
Weatherby Select Plus 338-378 Wby Mag Ammo 262 Grain 20/ct
262 Grains 20 Rounds Brass New
UPC 747115451692
$7.72/rd $154.47 Drifters Gear ★★★★★ (25)
Weatherby Select Plus Rifle Ammunition 338-378 Wby Mag 262 gr Hammer Custom 3500 fps 20/ct
262 Grains 20 Rounds Brass New
UPC 747115451692 Limit 1
$7.73/rd $154.63 Ecommerce Arms
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129
$7.75/rd $154.99 Get Guns N Ammo
Weatherby B333225TTSX Barnes 338-378 Weatherby Magnum 225 GR Barnes Tipped TSX - 20rd Box
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $12
$7.76/rd $155.23 Classic Firearms ★★★★★ (2,454)
Weatherby 338-378 WBY Magnum Ammo 262gr HC Ammunition - 20 Rounds
262 Grains 20 Rounds Brass New
UPC 747115451692 Limit 1
$7.76/rd $155.25 Vizards Guns and Ammo ★★★★★ (1,070)
Weatherby Select Plus .338-378 Wby Mag 262gr Hammer Custom – 20 Rounds
262 Grains 20 Rounds Brass New
UPC 747115451692 $5 Off - Use Code CALIBERKING
$7.80/rd $155.98 Gun Place ★★★★★ (206)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Shipping $17.50 Free Shipping > $250
$7.85/rd $156.95 Ammunitions for Sale
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$7.90/rd $158.00 Birmingham Hill Armory ★★★★★ (16)
Weatherby Select Plus 338-378 Wby Mag 262 gr Hammer Custom 20/ct
262 Grains 20 Rounds Brass New
UPC 747115451692 Shipping $13 Free Shipping > $350 Limit 1
$7.94/rd $158.83 Shadowsmith Ammo ★★★★★ (23)
WEATHERBY AMMO 338-378 WBY - MAGNUM 225GR TTSX 20RD 10BX/CS
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping > $700 Limit 3
$7.99/rd $159.76 Freedom Firearms ★★★★★ (2)
Weatherby Select Plus .338-378 Weatherby Mag. 262 grain Hammer Custom (20 rd box)
262 Grains 20 Rounds New
Free Shipping > $500
$8.00/rd $159.99 Rivertown Munitions ★★★★★ (130)
Weatherby Select Plus .338-378 Weatherby Mag. 262 grain Hammer Custom (20 rd box)
262 Grains 20 Rounds New
Free Shipping > $500
$8.00/rd $159.99 Rivertown Munitions ★★★★★ (130)
Weatherby Select Plus 747115425129 338-378 Weatherby Magnum 225 Grains Lead Free
225 Grains 20 Rounds Brass New
UPC 747115425129
$8.05/rd $160.99 C-ME Firearms
Weatherby Select Plus 338-378 Wby Mag Hammer Custom 262 Grain 20 Rounds
262 Grains 20 Rounds Brass New
UPC 747115451692
$8.07/rd $161.31 Shooting Surplus ★★★★★ (193)
Weatherby Select Rifle Ammunition 338-378 Wby Mag 225 gr Barnes TTSX 3180 fps 20/ct
225 Grains 20 Rounds Brass New
UPC 747115425129 Limit 3
$8.09/rd $161.73 Don's Weaponry ★★★★★ (252)
WEATHERBY 338-378 WBY MAG
225 Grains 20 Rounds Brass New
UPC 747115425129
$8.15/rd $162.99 Apocalypse Outfitters ★★★★★ (4)
Weatherby B333225TTSX Select Plus 338-378WthbyMag 225gr Barnes Tipped TSX Lead Free 20 Per Box/10 Case
225 Grains 20 Rounds Brass New
UPC 747115425129 Free Shipping Limit 3
$8.18/rd $163.61 Lightning Strike Arms ★★★★★ (32)
Weatherby Select Plus 338-378 Weatherby Magnum Ammo 225 Grain Barnes Tipped Triple-Shock X Polymer Tip Lead Free Box of 20
225 Grains 20 Rounds Polymer New
UPC 747115425129 Free Shipping
$8.20/rd $163.99 Midway USA ★★★★★ (119)

.338-378 Weatherby Mag Weatherby Ammo Price Graph

Today's .338-378 Weatherby Mag Weatherby Ammo average is $7.01/rd, 8% below the 180-day average of $7.62/rd. Over the last 180 days, the average peaked at $8.32/rd on May 22, 2026 and bottomed at $7.00/rd on August 20, 2026.

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