** Underwood 45 Long Colt Xtreme Defender - 135 Grain Copper Solid, 20

UPC 816874022594 from 67 retailers

  • .45 Long Colt
  • Underwood
  • New
  • 135 Grains
  • Nickel Plated
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** Underwood 45 Long Colt Xtreme Defender - 135 Grain Copper Solid, 20

Price History
UNDERWOOD AMMO .45COLT 135GR. EXTREME DEFENDER 20-PACK
Brass
$41.84 20 Rounds
$2.09/rd Gman Sporting Arms
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $20
$45.93 20 Rounds
$2.30/rd Ash Arms ★★★★★ (1)
Low cost shipping boost

UPC 816874022594 Price Graph

Today's low is $2.09/rd, 1% below the 180-day average low of $2.12/rd. Over the last 180 days, the lowest price peaked at $2.24/rd on August 15, 2026 and bottomed at $1.35/rd on April 4, 2026.

Underwood Ammo .45 Long Colt Handgun Ammunition 135GR - 200 Rounds
$5 Off - Use Code CALIBERKING
$436.89 200 Rounds
$2.19/rd Gun Place ★★★★★ (206)
Underwood Ammo .45 Long Colt Handgun Ammunition 135GR - 80 Rounds
$5 Off - Use Code CALIBERKING
$177.46 80 Rounds
$2.22/rd Gun Place ★★★★★ (206)
UNDERWOOD AMMO .45COLT 135GR. EXTREME DEFENDER Box of 20
Brass
$44.71 20 Rounds
$2.24/rd De Leon RX & Sporting Goods ★★★★★ (216)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
CC Fee 6%
$44.99 20 Rounds
$2.25/rd All Things Firearm ★★★★★ (3)
Underwood Ammo .45 Long Colt Handgun Ammunition 135GR - 20 Rounds
$5 Off - Use Code CALIBERKING
$45.04 20 Rounds
$2.25/rd Gun Place ★★★★★ (206)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $900 CC Fee 3%
$45.93 20 Rounds
$2.30/rd Armed in Michigan ★★★★★ (714)
UNDERWOOD 45 LC 135GR
$46.19 20 Rounds
$2.31/rd MCM Tactical ★★★★★ (60)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $20 Free Shipping > $1,000
$46.34 20 Rounds
$2.32/rd Life2A ★★★★★ (3)

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UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $1,000 CC Fee 3%
$46.56 20 Rounds
$2.33/rd Bunker Hill Ballistics ★★★★★ (9)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$46.70 20 Rounds
$2.34/rd Redsand Tactical
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $20
$46.72 20 Rounds
$2.34/rd Custom Creatives Group ★★★★★ (24)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $500
$46.79 20 Rounds
$2.34/rd Timber Hole Outdoors ★★★★★ (5)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$46.79 20 Rounds
$2.34/rd Tungsten Creek Tactical
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$46.79 20 Rounds
$2.34/rd Top Shelf Munitions ★★★★★ (2)
Underwood Ammo Xtreme Defender 45 LC 135gr - 20rd Box
$46.88 20 Rounds
$2.34/rd Georgia Guns & Ammo ★★★★★ (2)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $1,250
$46.92 20 Rounds
$2.35/rd Nadir Solutions ★★★★★ (18)
20rds – 45 Long Colt Underwood 135gr. Xtreme Defender Ammo
$46.95 20 Rounds
$2.35/rd Ammunition To Go ★★★★★ (27)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $500
$46.99 20 Rounds
$2.35/rd Cummings Family Firearms ★★★★★ (52)
45 Long Colt - 135 Grain Xtreme Defender - Underwood - 20 Rounds
$47.00 20 Rounds
$2.35/rd Lucky Gunner ★★★★★ (187)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$47.00 20 Rounds
$2.35/rd Ecommerce Arms
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $1,000
$47.17 20 Rounds
$2.36/rd Spargo Defense
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$47.20 20 Rounds
$2.36/rd Patriotic Firearms
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$47.24 20 Rounds
$2.36/rd Vital Defense ★★★★★ (14)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $18
$47.69 20 Rounds
$2.39/rd Blackbox Ballistics ★★★★★ (2)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$47.99 20 Rounds
$2.40/rd Big Bee Bee ★★★★★ (11)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$48.14 20 Rounds
$2.41/rd Bulletproof Outfitters ★★★★★ (133)
Underwood .45 Long Colt Xtreme Defender Copper Solid 135gr - 20rds
Shipping $13 Free Shipping > $500
$48.59 20 Rounds
$2.43/rd Axolotl Arms ★★★★★ (126)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $500
$48.68 20 Rounds
$2.43/rd Safe Haven Defense
Underwood Ammo .45 Long Colt Ammo 135gr Solid Copper Ammunition - 20 Rounds
Brass
$48.81 20 Rounds
$2.44/rd Vizards Guns and Ammo ★★★★★ (1,070)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$48.99 20 Rounds
$2.45/rd WTW Arms ★★★★★ (68)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$48.99 20 Rounds
$2.45/rd Precision Gunworks
UNDERWOOD 45 LONG COLT 135GR
$49.00 20 Rounds
$2.45/rd Loftus Firearms ★★★★★ (13)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $10 Free Shipping > $100
$49.55 20 Rounds
$2.48/rd Conkey's Outdoors ★★★★★ (175)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$49.58 20 Rounds
$2.48/rd Bayou Brass ★★★★★ (21)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $100
$49.66 20 Rounds
$2.48/rd Caliber Exchange ★★★★★ (1)
UNDERWOOD AMMO .45COLT 135GR. EXTREME DEFENDER 20-PACK
Brass
$49.99 20 Rounds
$2.50/rd Kind Sniper ★★★★★ (61)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$49.99 20 Rounds
$2.50/rd Pathfinder Militaria ★★★★★ (106)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$50.00 20 Rounds
$2.50/rd Darmok Firearms ★★★★★ (37)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$50.00 20 Rounds
$2.50/rd Echo 6 Weapons ★★★★★ (97)
Underwood 45 LC Ammo 135 Grain Box of 20
Brass
$50.39 20 Rounds
$2.52/rd Drifters Gear ★★★★★ (25)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$50.39 20 Rounds
$2.52/rd Allied Arms ★★★★★ (310)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$50.99 20 Rounds
$2.55/rd Get Guns N Ammo
Underwood 45 Long Colt 135gr Xtreme Defender (846)
Shipping $13 Free Shipping > $350
$51.00 20 Rounds
$2.55/rd Shadowsmith Ammo ★★★★★ (23)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$51.16 20 Rounds
$2.56/rd The Arsenal Project ★★★★★ (16)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$51.91 20 Rounds
$2.60/rd Black Bayou Armory ★★★★★ (83)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $10 Free Shipping > $299
$51.99 20 Rounds
$2.60/rd Canoe Creek Armory ★★★★★ (17)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$51.99 20 Rounds
$2.60/rd Mad Wolf Armory ★★★★★ (3)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$53.00 20 Rounds
$2.65/rd Highland Arms ★★★★★ (49)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $18
$53.09 20 Rounds
$2.66/rd Sharp's Shooting Supply ★★★★★ (34)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $19 Free Shipping > $750
$53.09 20 Rounds
$2.66/rd Riddle Firearms
Underwood Ammo UNDERWOOD AMMO .45COLT 135GR. EXTREME DEFENDER 20-PACK
Shipping $15 Free Shipping > $500
$53.99 20 Rounds
$2.70/rd BuyAGun ★★★★★ (3)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $15 Free Shipping > $500
$54.00 20 Rounds
$2.70/rd Garrison's Guns ★★★★★ (21)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$54.65 20 Rounds
$2.73/rd Scottsodg.com
UNDERWOOD 45 LC 135GR
$55.09 20 Rounds
$2.76/rd Utah Fast ★★★★★ (101)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$56.00 20 Rounds
$2.80/rd Birmingham Hill Armory ★★★★★ (16)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Shipping $15 Free Shipping > $500
$56.24 20 Rounds
$2.81/rd Kinetic Armory ★★★★★ (3)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $700
$57.45 20 Rounds
$2.87/rd Freedom Firearms ★★★★★ (2)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$57.59 20 Rounds
$2.88/rd Don's Weaponry ★★★★★ (252)
Underwood Ammo High Performance Handgun 816874022594 45 (Long) Colt 135 Grains Copper Solid
$57.99 20 Rounds
$2.90/rd C-ME Firearms
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$58.49 20 Rounds
$2.93/rd Firearms Express
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $150
$58.82 20 Rounds
$2.94/rd Lightning Strike Arms ★★★★★ (32)
Underwood 45 Lc 135 Grain - Xtreme Defender 20RD 10BX/cs
$58.84 20 Rounds
$2.94/rd Shiner Tactical ★★★★★ (6)
UNDERWOOD 45 LONG COLT 135GR
$59.99 20 Rounds
$3.00/rd Apocalypse Outfitters ★★★★★ (4)
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
Free Shipping > $500
$61.99 20 Rounds
$3.10/rd Timberlake Firearms ★★★★★ (11)
Underwood Ammo .45 Colt 135 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo 20 Rounds
Free Shipping
$63.99 20 Rounds
$3.20/rd Optics Planet
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$65.99 20 Rounds
$3.30/rd Coastal Firearms
UNDERWOOD 45 LC 135GR - XTREME DEFENDER 20RD 10BX/CS
$68.00 20 Rounds
$3.40/rd EK Tactical ★★★★★ (10)

UPC 816874022594 Price Graph

Today's low is $2.09/rd, 1% below the 180-day average low of $2.12/rd. Over the last 180 days, the lowest price peaked at $2.24/rd on August 15, 2026 and bottomed at $1.35/rd on April 4, 2026.

Daily Deals Email

Gun and ammo deals at their 90-day low.

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