.400 Diameter Hornady Reloading Bullets for Sale

Price History
Bullets
.400 Diameter
Hornady
Hornady 400471 FMJ Handgun 10mm Auto .400 180 gr Full Metal Jacket Flat Point (FMJFP) 500 Per Box
180 Grains 500 Count
UPC 090255700978
15.5¢/ct $77.71 Gun Wise
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count
Limit 5 UPC 090255600216 Shipping $10
17.2¢/ct $342.99 Alexander's Store ★★★★★ (1,532)
Low cost shipping boost

.400 Diameter Hornady Bullets Price Graph

Today's .400 Diameter Hornady Bullets average is 20.1¢/ct, 4% below the 180-day average of 20.8¢/ct. Over the last 180 days, the average peaked at 24.7¢/ct on March 17, 2026 and bottomed at 19.3¢/ct on June 30, 2026.

Hornady 40047 FMJ Handgun 10mm Auto .400 180 gr Full Metal Jacket Flat Point 100 Per Box/ 15 Case
180 Grains 100 Count
UPC 090255400472 $5 Off - Use Code CALIBERKING
15.9¢/ct $15.88 Gun Place ★★★★★ (206)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
16.0¢/ct $79.75 MCM Tactical ★★★★★ (60)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count New
Limit 5 UPC 090255600216
16.0¢/ct $319.67 Vizards Guns and Ammo ★★★★★ (1,070)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count
Limit 5 UPC 090255600216
16.1¢/ct $322.15 Ecommerce Arms
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count
Limit 5 UPC 090255600216 Free Shipping > $900 CC Fee 3%
16.2¢/ct $324.09 Armed in Michigan ★★★★★ (714)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count New
UPC 090255700978
16.3¢/ct $81.45 Vizards Guns and Ammo ★★★★★ (1,070)
Hornady 40047 FMJ Handgun 10mm Auto .400 180 gr Full Metal Jacket Flat Point (FMJFP) 100 Per Box
180 Grains 100 Count
UPC 090255400472
16.4¢/ct $16.38 Gun Wise
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472
16.4¢/ct $16.42 MCM Tactical ★★★★★ (60)

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Hornady Bullets 10mm .400" 180gr FMJ-FP 2000/Box
180 Grains 2,000 Count New
UPC 090255600216
16.5¢/ct $329.99 Drifters Gear ★★★★★ (25)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
UPC 090255700978 Free Shipping > $900 CC Fee 3%
16.5¢/ct $82.58 Armed in Michigan ★★★★★ (714)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
UPC 090255700978 Free Shipping > $500
16.7¢/ct $83.33 Timber Hole Outdoors ★★★★★ (5)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count
Limit 5 UPC 090255600216 Free Shipping > $500
16.7¢/ct $334.47 Timber Hole Outdoors ★★★★★ (5)
Hornady Bullets 10mm .400" 180gr FMJ-FP 500/Box
180 Grains 500 Count New
UPC 090255700978
16.8¢/ct $84.08 Drifters Gear ★★★★★ (25)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count New
UPC 090255400472
16.8¢/ct $16.84 Vizards Guns and Ammo ★★★★★ (1,070)
Hornady Bullets 10mm .400" 180gr FMJ 100/Box
180 Grains 100 Count New
UPC 090255400472
16.9¢/ct $16.90 Drifters Gear ★★★★★ (25)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
UPC 090255700978 $5 Off - Use Code CALIBERKING
16.9¢/ct $84.69 Gun Place ★★★★★ (206)
Hornady 40047 FMJ Handgun 10mm Auto .400 180 gr Full Metal Jacket Flat Point 100 Per Box/ 15 Case
180 Grains 100 Count
UPC 090255400472 Free Shipping > $900 CC Fee 3%
17.1¢/ct $17.10 Armed in Michigan ★★★★★ (714)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
17.7¢/ct $88.72 Ecommerce Arms
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count
Limit 5 UPC 090255600216 Shipping $20
17.8¢/ct $355.56 Custom Creatives Group ★★★★★ (24)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472 Free Shipping > $500
17.8¢/ct $17.79 Timber Hole Outdoors ★★★★★ (5)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
17.8¢/ct $89.00 Redsand Tactical
Fmj 10mm Caliber (.400") Pistol Bullets - Fmj 10mm Caliber (0.400") 180gr Flat Nose 100/Box
180 Grains 100 Count
UPC 090255400472
18.0¢/ct $17.99 Brownells ★★★★★ (737)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
Limit 6 UPC 090255700978 Shipping $10
18.0¢/ct $89.99 Alexander's Store ★★★★★ (1,532)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
18.0¢/ct $89.99 Big Bee Bee ★★★★★ (11)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
18.2¢/ct $90.93 The Arsenal Project ★★★★★ (16)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
Limit 6 UPC 090255700978 Shipping $20
18.3¢/ct $91.67 Custom Creatives Group ★★★★★ (24)
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
UPC 090255693034 $5 Off - Use Code CALIBERKING
18.4¢/ct $330.94 Gun Place ★★★★★ (206)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
18.4¢/ct $91.99 Precision Gunworks
FMJ 10MM CALIBER (0.400'') 180GR FMJ-FLAT NOSE 2000/ct
180 Grains 2,000 Count
Limit 5 UPC 090255600216 Free Shipping
18.5¢/ct $368.95 Ammunitions for Sale
Hornady 40047 FMJ Handgun 10mm Auto .400 180 gr Full Metal Jacket Flat Point 100 Per Box
180 Grains 100 Count
UPC 090255400472 Shipping $11
18.5¢/ct $18.49 Selway Armory ★★★★★ (186)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 100/BOX
180 Grains 100 Count
UPC 090255400472 Shipping $20
18.9¢/ct $18.92 Custom Creatives Group ★★★★★ (24)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472
18.9¢/ct $18.94 Redsand Tactical
Hornady 10mm .400 180 gr FMJ-FP Bullets, 100 ct
180 Grains 100 Count
UPC 090255400472 Shipping $10
19.0¢/ct $18.99 Alexander's Store ★★★★★ (1,532)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472
19.0¢/ct $18.99 Big Bee Bee ★★★★★ (11)
Hornady 400421 HAP 10mm Auto .400 180 gr Hollow Point (HP) 500 Per Box
180 Grains 500 Count
UPC 090255700961
19.2¢/ct $95.84 Gun Wise
Hornady Bullets 10mm .400" 200gr HAP 1800/Box
200 Grains 1,800 Count New
UPC 090255693034
19.3¢/ct $347.50 Drifters Gear ★★★★★ (25)
Hornady FMJ Pistol Bullets 10mm Auto .400 180 Grain FMJ-FP 100 Count
180 Grains 100 Count
UPC 090255400472 Shipping $16
19.4¢/ct $19.35 Caliber Depot ★★★★★ (6)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
Limit 6 UPC 090255700978 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
19.4¢/ct $96.99 Brickhouse Firearms
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978
19.4¢/ct $97.00 CLB Guns ★★★★★ (45)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472
19.4¢/ct $19.41 The Arsenal Project ★★★★★ (16)
HAP 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count New
Limit 7 UPC 090255693294
19.5¢/ct $370.55 Vizards Guns and Ammo ★★★★★ (1,070)
Hornady Bullets 10mm .400" 180gr HAP 1900/Case
180 Grains 1,900 Count New
UPC 090255693294
19.5¢/ct $370.99 Drifters Gear ★★★★★ (25)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
Limit 6 UPC 090255700978 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
19.6¢/ct $97.88 Scottsodg.com
HAP® 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294
19.7¢/ct $373.33 Ecommerce Arms
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
Limit 2 UPC 090255693034
19.7¢/ct $353.71 Ecommerce Arms
180GR HAP 500CT 2BX/CSHORNADY BULLETS 10MM .400
180 Grains 500 Count New
UPC 090255700961
19.7¢/ct $98.70 Vizards Guns and Ammo ★★★★★ (1,070)
HAP® 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294 Free Shipping > $900 CC Fee 3%
19.8¢/ct $375.67 Armed in Michigan ★★★★★ (714)
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
Limit 2 UPC 090255693034 Free Shipping > $900 CC Fee 3%
19.8¢/ct $355.89 Armed in Michigan ★★★★★ (714)
Hap(R) 10mm Caliber (.400") Pistol Bullets - Hap(R) 10mm (0.400") 200gr Jacketed Hollow Point 1800/Box
200 Grains 1,800 Count
UPC 090255693034
19.8¢/ct $355.99 Brownells ★★★★★ (737)
FMJ 10MM CALIBER (0.400'') 180GR FMJ-FLAT NOSE 500/BOX
180 Grains 500 Count
Limit 6 UPC 090255700978 Shipping $17.50 Free Shipping > $250
19.8¢/ct $98.95 Ammunitions for Sale
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961
19.9¢/ct $99.68 MCM Tactical ★★★★★ (60)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/Box
180 Grains 100 Count
UPC 090255400472
20.0¢/ct $19.99 Precision Gunworks
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961 Free Shipping > $900 CC Fee 3%
20.0¢/ct $100.07 Armed in Michigan ★★★★★ (714)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 2000/CASE
180 Grains 2,000 Count
Limit 5 UPC 090255600216
20.3¢/ct $404.99 Coastal Firearms
Hornady Bullets 10mm .400" 180gr HAP 500/Box
180 Grains 500 Count New
UPC 090255700961
20.4¢/ct $101.89 Drifters Gear ★★★★★ (25)
Hornady HAP 10mm .400 180gr 500ct - 500
180 Grains 500 Count
20.4¢/ct $101.94 Republic Ammunition ★★★★★ (95)
HAP® 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294 Free Shipping > $500
20.4¢/ct $387.70 Timber Hole Outdoors ★★★★★ (5)
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
Limit 2 UPC 090255693034 Free Shipping > $500
20.4¢/ct $367.30 Timber Hole Outdoors ★★★★★ (5)
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961 Free Shipping > $500
20.8¢/ct $104.10 Timber Hole Outdoors ★★★★★ (5)
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
Limit 2 UPC 090255693034 Shipping $10
20.9¢/ct $376.99 Alexander's Store ★★★★★ (1,532)
HAP® 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294 Shipping $10
21.0¢/ct $397.99 Alexander's Store ★★★★★ (1,532)
HRNDY FMJ-FP 10MM .400 180GR 100CT
180 Grains 100 Count
UPC 090255400472 Shipping $17.50 Free Shipping > $250
21.0¢/ct $20.95 Ammunitions for Sale
180 GR FMJ FP 100CT 15BX/CSHORNADY 10MM .400
180 Grains 100 Count
UPC 090255400472 Shipping $17.50 Free Shipping > $250
21.0¢/ct $20.95 Ammunitions for Sale
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 100/BOX
180 Grains 100 Count
UPC 090255400472 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
21.0¢/ct $20.99 Brickhouse Firearms
Hornady 10mm .400 180gr FMJ-FP Bullets 100/Box - 40047
180 Grains 100 Count
UPC 090255400472
21.0¢/ct $20.99 Black Bayou Armory ★★★★★ (83)
Hornady 40047 FMJ Handgun 10mm Auto .400 180 gr Full Metal Jacket Flat Point 100 Per Box/ 15 Case
180 Grains 100 Count
UPC 090255400472
21.0¢/ct $21.00 CLB Guns ★★★★★ (45)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
21.1¢/ct $21.07 Scottsodg.com
Hap(R) 10mm Caliber (.400") Pistol Bullets - Hap(R) 10mm (0.400") 180gr Jacketed Hollow Point 500/Box
180 Grains 500 Count
UPC 090255700961
21.2¢/ct $105.99 Brownells ★★★★★ (737)
HORNADY BULLETS 10MM .400 - 180GR HAP 500CT 2BX/CS
180 Grains 500 Count
UPC 090255700961
21.4¢/ct $106.85 Ecommerce Arms
Hornady HAP 10mm .400 180gr Jacketed Hollow Point 500ct
180 Grains 500 Count
UPC 090255700961 Shipping $10
21.6¢/ct $107.99 Alexander's Store ★★★★★ (1,532)
Hornady 400421 HAP 10mm Auto .400 180 gr Hollow Point 500 Per Box
180 Grains 500 Count
UPC 090255700961 Shipping $11
21.6¢/ct $107.99 Selway Armory ★★★★★ (186)
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961
21.6¢/ct $107.99 Big Bee Bee ★★★★★ (11)
HAP® 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294 Shipping $20
21.7¢/ct $412.15 Custom Creatives Group ★★★★★ (24)
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
Limit 2 UPC 090255693034 Shipping $20
21.7¢/ct $390.46 Custom Creatives Group ★★★★★ (24)
FMJ 10MM CALIBER (0.400'') 180GR FLAT NOSE 500/BOX
180 Grains 500 Count
UPC 090255700978
21.8¢/ct $108.99 Coastal Firearms
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ-FP 500/ct
180 Grains 500 Count
UPC 090255700978
21.8¢/ct $108.98 Bulletproof Outfitters ★★★★★ (133)
Hornady HAP 40 Caliber .400 180gr Lead and Copper Action Pistol - 500
180 Grains 500 Count
UPC 090255700961 Shipping $7 Free Shipping > $250
21.9¢/ct $109.30 Skid Tactical ★★★★★ (63)
Hornady HAP Handgun Bullets 10mm .400" 180 gr HAP 500/ct
180 Grains 500 Count
Limit 4 UPC 090255700961
21.9¢/ct $109.48 The Arsenal Project ★★★★★ (16)
Hornady FMJ Pistol Bullets 10mm .400 180 gr. FMJ-FP 100 Box
180 Grains 100 Count
UPC 090255400472
22.0¢/ct $21.97 Ecommerce Arms
Hornady HAP Handgun Bullets 10mm .400" 180 gr HAP 500/ct
180 Grains 500 Count
Limit 4 UPC 090255700961
22.0¢/ct $109.99 Precision Gunworks
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961 Shipping $20
22.1¢/ct $110.66 Custom Creatives Group ★★★★★ (24)
Hornady HAP Handgun Bullets 10mm .400" 180 gr HAP 500/ct
180 Grains 500 Count
UPC 090255700961
22.2¢/ct $110.87 Redsand Tactical
HAP 10MM CAL. (0.400'') 180GR JACKET HOLLOW POINT 1,900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294 Free Shipping
22.5¢/ct $426.95 Ammunitions for Sale
Hornady 10mm .400 180gr HAP Bullets 500/Box - 400421
180 Grains 500 Count
UPC 090255700961
23.4¢/ct $116.99 Black Bayou Armory ★★★★★ (83)
Hornady 400421 HAP 10mm Auto .400 180 gr Hollow Point 500 Per Box/ 2 Case
180 Grains 500 Count
UPC 090255700961
23.4¢/ct $117.00 CLB Guns ★★★★★ (45)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472
23.6¢/ct $23.56 Bulletproof Outfitters ★★★★★ (133)
Hornady 10mm (.400 Dia) Reloading Bullets H40040 180 Grain XTP Jacketed Hollow Point 100 Pieces
180 Grains 100 Count New
Limit 2 UPC 090255240047 Free Shipping > $200
24.0¢/ct $23.99 Outdoor Limited ★★★★★ (444)
Hornady FMJ Handgun Bullets 10mm .400" 180gr FMJ FP 100/ct
180 Grains 100 Count
UPC 090255400472
24.0¢/ct $23.99 Coastal Firearms
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
24.2¢/ct $120.99 Brickhouse Firearms
HORNADY BULLETS 10MM .400 - 180GR HAP 500CT 2BX/CS
180 Grains 500 Count
UPC 090255700961 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
24.4¢/ct $122.03 Scottsodg.com
HRNDY HAP 10MM .400 180GR 500CT
180 Grains 500 Count
UPC 090255700961 Shipping $17.50 Free Shipping > $250
24.6¢/ct $122.95 Ammunitions for Sale
HAP® 10MM (0.400'') 200GR JACKETED HOLLOW POINT 1800/BOX
200 Grains 1,800 Count
Limit 2 UPC 090255693034
24.7¢/ct $443.99 Coastal Firearms
HAP® 10MM (0.400'') 180GR JACKETED HOLLOW POINT 1900/CASE
180 Grains 1,900 Count
Limit 7 UPC 090255693294
24.7¢/ct $468.99 Coastal Firearms
Hornady HAP Bullets 10mm Auto .400 180 Grain 500 Round Box
180 Grains 500 Count
UPC 090255700961 Shipping $16
25.3¢/ct $126.48 Caliber Depot ★★★★★ (6)
Hornady 10mm (.400 Dia) Reloading Bullets H40060 200 Grain XTP Jacketed Hollow Point 100 Pieces
200 Grains 100 Count New
Limit 1 UPC 090255240061 Free Shipping > $200
26.0¢/ct $25.99 Outdoor Limited ★★★★★ (444)
Hornady 40060 XTP 10mm Auto .400 200 gr Hollow Point XTP 100 Per Box/ 15 Case
200 Grains 100 Count
UPC 090255240061 $5 Off - Use Code CALIBERKING
26.1¢/ct $26.05 Gun Place ★★★★★ (206)
Hornady XTP 10mm 155gr Handgun Bullets 100ct
155 Grains 100 Count New
UPC 090255240009
26.2¢/ct $26.22 Drifters Gear ★★★★★ (25)
155GR XTP 100CT 25BX/CSHORNADY BULLETS 10MM .400 CAL
155 Grains 100 Count New
UPC 090255240009
26.3¢/ct $26.28 Vizards Guns and Ammo ★★★★★ (1,070)

.400 Diameter Hornady Bullets Price Graph

Today's .400 Diameter Hornady Bullets average is 20.1¢/ct, 4% below the 180-day average of 20.8¢/ct. Over the last 180 days, the average peaked at 24.7¢/ct on March 17, 2026 and bottomed at 19.3¢/ct on June 30, 2026.

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