** Underwood 45 ACP+P 200 Grain Xtreme Penetrator - 20 Rounds per Box,

UPC 816874020064 from 63 retailers

  • .45 ACP
  • Underwood
  • New
  • 200 Grains
  • Nickel Plated
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** Underwood 45 ACP+P 200 Grain Xtreme Penetrator - 20 Rounds per Box,

Price History
UNDERWOOD AMMO .45ACP+P 200GR. XTREME PENETRATOR 20-PACK
Brass
$38.66 20 Rounds
$1.93/rd Gman Sporting Arms
UA 646 45ACP+P 200GR XP 20/10
Shipping $20
$43.03 20 Rounds
$2.15/rd Down Range Firearms ★★★★★ (8)
Low cost shipping boost

UPC 816874020064 Price Graph

Today's low is $1.93/rd, 1% below the 180-day average low of $1.95/rd. Over the last 180 days, the lowest price peaked at $2.06/rd on July 8, 2026 and bottomed at $1.93/rd on September 22, 2026.

Underwood .45 ACP Handgun Ammunition 200GR 20 Rounds - 200 Rounds
$5 Off - Use Code CALIBERKING
$416.23 200 Rounds
$2.08/rd Gun Place ★★★★★ (206)
Underwood .45 ACP Handgun Ammunition 200GR 20 Rounds - 80 Rounds
$5 Off - Use Code CALIBERKING
$169.07 80 Rounds
$2.11/rd Gun Place ★★★★★ (206)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Free Shipping > $900 CC Fee 3%
$42.44 20 Rounds
$2.12/rd Armed in Michigan ★★★★★ (714)
Underwood .45 ACP Handgun Ammunition 200GR 20 Rounds
$5 Off - Use Code CALIBERKING
$42.91 20 Rounds
$2.15/rd Gun Place ★★★★★ (206)
UA 646 45ACP+P 200GR XP 20/10
Free Shipping > $1,000 CC Fee 3%
$43.29 20 Rounds
$2.17/rd Bunker Hill Ballistics ★★★★★ (9)
Underwood 45 ACP +P 200gr Xtreme Penetrator — 20rd Box
$43.32 20 Rounds
$2.17/rd Georgia Guns & Ammo ★★★★★ (2)
UA 646 45ACP+P 200GR XP 20/10
Shipping $20
$43.76 20 Rounds
$2.19/rd Ash Arms ★★★★★ (1)
UA 646 45ACP+P 200GR XP 20/10
CC Fee 3%
$43.99 20 Rounds
$2.20/rd Cornerstone Arms ★★★★★ (373)

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UNDERWOOD AMMO .45ACP+P 200GR. XTREME PENETRATOR 20-PACK
$44.04 20 Rounds
$2.20/rd Gun Wise
UA 646 45ACP+P 200GR XP 20/10
$44.10 20 Rounds
$2.21/rd Vital Defense ★★★★★ (14)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Shipping $20 Free Shipping > $1,000
$44.15 20 Rounds
$2.21/rd Life2A ★★★★★ (3)
UA 646 45ACP+P 200GR XP 20/10
$44.15 20 Rounds
$2.21/rd Pickett's Mill Armory ★★★★★ (26)
UA 646 45ACP+P 200GR XP 20/10
Shipping $20
$44.50 20 Rounds
$2.23/rd Custom Creatives Group ★★★★★ (24)
UA 646 45ACP+P 200GR XP 20/10
Shipping $14 Free Shipping > $500 CC Fee 3%
$44.57 20 Rounds
$2.23/rd Minutemen Defense ★★★★★ (54)
UA 646 45ACP+P 200GR XP 20/10
Free Shipping > $500
$44.57 20 Rounds
$2.23/rd Timber Hole Outdoors ★★★★★ (5)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$44.57 20 Rounds
$2.23/rd Tungsten Creek Tactical
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Shipping $20
$44.86 20 Rounds
$2.24/rd Cane Creek Munitions ★★★★★ (25)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Free Shipping > $500
$44.99 20 Rounds
$2.25/rd Cummings Family Firearms ★★★★★ (52)
UA 646 45ACP+P 200GR XP 20/10
Shipping $20
$45.00 20 Rounds
$2.25/rd JB Armament ★★★★★ (126)
UA 646 45ACP+P 200GR XP 20/10 Ammo for MA, CT, NJ, IL, NY & CA Buyers
Brass
$45.10 20 Rounds
$2.26/rd Vizards Guns and Ammo ★★★★★ (1,070)
UNDERWOOD AMMO .45ACP+P 200GR. XTREME PENETRATOR Box of 20
Brass
$45.35 20 Rounds
$2.27/rd De Leon RX & Sporting Goods ★★★★★ (216)
UA 646 45ACP+P 200GR XP 20/10
$45.75 20 Rounds
$2.29/rd Bulletproof Outfitters ★★★★★ (133)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$45.99 20 Rounds
$2.30/rd Big Bee Bee ★★★★★ (11)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$46.14 20 Rounds
$2.31/rd Ecommerce Arms
UA 646 45ACP+P 200GR XP 20/10
Shipping $15
$46.23 20 Rounds
$2.31/rd Extreme Products ★★★★★ (83)
UA 646 45ACP+P 200GR XP 20/10
Shipping $13 Free Shipping > $500
$46.29 20 Rounds
$2.32/rd Axolotl Arms ★★★★★ (126)
Underwood Ammo .45 ACP +P 200 Grain Xtreme Penetrator Box of 20
Brass
$46.56 20 Rounds
$2.33/rd Drifters Gear ★★★★★ (25)
UA 646 45ACP+P 200GR XP
Shipping $11
$46.99 20 Rounds
$2.35/rd Selway Armory ★★★★★ (186)
UA 646 45ACP+P 200GR XP 20/10
$46.99 20 Rounds
$2.35/rd 2 If By Sea Tactical ★★★★★ (135)
UNDERWOOD 45 ACP+P 200GR
$47.00 20 Rounds
$2.35/rd Loftus Firearms ★★★★★ (13)
UA 646 45ACP+P 200GR XP 20/10
$47.00 20 Rounds
$2.35/rd CLB Guns ★★★★★ (45)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$47.00 20 Rounds
$2.35/rd Darmok Firearms ★★★★★ (37)
UA 646 45ACP+P 200GR XP 20/10
$47.04 20 Rounds
$2.35/rd Allied Arms ★★★★★ (310)
UA 646 45ACP+P 200GR XP 20/10
Shipping $10 Free Shipping > $100
$47.11 20 Rounds
$2.36/rd Conkey's Outdoors ★★★★★ (175)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$47.13 20 Rounds
$2.36/rd Bayou Brass ★★★★★ (21)
Underwood UW646 45 ACP +P 200gr Xtreme Penetrator, 20rd
Shipping $13 Free Shipping > $350
$47.57 20 Rounds
$2.38/rd Shadowsmith Ammo ★★★★★ (23)
UNDERWOOD AMMO .45ACP+P 200GR. XTREME PENETRATOR 20-PACK
Brass
$47.99 20 Rounds
$2.40/rd Kind Sniper ★★★★★ (61)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$47.99 20 Rounds
$2.40/rd WTW Arms ★★★★★ (68)
UA 646 45ACP+P 200GR XP 20/10
$48.00 20 Rounds
$2.40/rd The Gun Pantry ★★★★★ (192)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$48.00 20 Rounds
$2.40/rd Echo 6 Weapons ★★★★★ (97)
Underwood 45 ACP +P Ammo 200 Grain Lehigh Xtreme Penetrator Fluted Lead Free Box of 20
Brass
Free Shipping > $100
$48.59 20 Rounds
$2.43/rd Midway USA ★★★★★ (119)
UA 646 45ACP+P 200GR XP 20/10
Shipping $20 Free Shipping > $1,000
$49.18 20 Rounds
$2.46/rd Dave's Guns ★★★★★ (28)
UA 646 45ACP+P 200GR XP 20/10
$49.27 20 Rounds
$2.46/rd Black Bayou Armory ★★★★★ (83)
Underwood Pistol Ammunition UA646, 45 ACP, Solid Monolithic, 200 GR, 1000 fps, 20 Rd/bx
$49.88 20 Rounds
$2.49/rd Able Ammo ★★★★★ (397)
20rds – 45 ACP +P Underwood 200gr. Xtreme Penetrator Ammo
Brass
$49.95 20 Rounds
$2.50/rd Ammunition To Go ★★★★★ (27)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Shipping $10 Free Shipping > $299
$49.99 20 Rounds
$2.50/rd Canoe Creek Armory ★★★★★ (17)
Underwood 45 ACP +P 200gr Xtreme Penetrator - 20 Rounds
Shipping $10
$49.99 20 Rounds
$2.50/rd Alexander's Store ★★★★★ (1,532)
UNDERWOOD 45 ACP+P 200GR
Shipping $16
$49.99 20 Rounds
$2.50/rd Riflenetics ★★★★★ (65)
45 ACP - +P 200 Grain Xtreme Penetrator - Underwood - 20 Rounds
$50.00 20 Rounds
$2.50/rd Lucky Gunner ★★★★★ (187)
UA 646 45ACP+P 200GR XP 20/10
Shipping $18
$50.57 20 Rounds
$2.53/rd Sharp's Shooting Supply ★★★★★ (34)
Underwood 45 ACP+P 200 Grain Xtreme Penetrator 20 Rounds
Shipping $16
$51.86 20 Rounds
$2.59/rd Caliber Depot ★★★★★ (6)
UA 646 45ACP+P 200GR XP 20/10
Shipping $15 Free Shipping > $500
$52.00 20 Rounds
$2.60/rd Garrison's Guns ★★★★★ (21)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Shipping $15 Free Shipping > $500
$53.58 20 Rounds
$2.68/rd Kinetic Armory ★★★★★ (3)
UA 646 45ACP+P 200GR XP 20/10
$54.00 20 Rounds
$2.70/rd Birmingham Hill Armory ★★★★★ (16)
UA 646 45ACP+P 200GR XP 20/10
Free Shipping > $700
$54.64 20 Rounds
$2.73/rd Freedom Firearms ★★★★★ (2)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$54.86 20 Rounds
$2.74/rd Don's Weaponry ★★★★★ (252)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$55.72 20 Rounds
$2.79/rd Firearms Express
UA 646 45ACP+P 200GR XP 20/10
Free Shipping > $150
$55.94 20 Rounds
$2.80/rd Lightning Strike Arms ★★★★★ (32)
Ua 646 45 ACP+p 200 Grain Xp 20/10
$55.96 20 Rounds
$2.80/rd Shiner Tactical ★★★★★ (6)
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
Free Shipping > $500
$58.99 20 Rounds
$2.95/rd Timberlake Firearms ★★★★★ (11)
Underwood Ammo .45 ACP +P 200 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds
Free Shipping
$60.49 20 Rounds
$3.03/rd Optics Planet
UNDERWOOD 45 ACP+P 200GR - XTREME PENETRATOR 20RD 10BX/CS
$62.99 20 Rounds
$3.15/rd Coastal Firearms
UA 646 45ACP+P 200GR XP 20/10
$65.00 20 Rounds
$3.25/rd EK Tactical ★★★★★ (10)

UPC 816874020064 Price Graph

Today's low is $1.93/rd, 1% below the 180-day average low of $1.95/rd. Over the last 180 days, the lowest price peaked at $2.06/rd on July 8, 2026 and bottomed at $1.93/rd on September 22, 2026.

Daily Deals Email

Gun and ammo deals at their 90-day low.

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