8.6 Blackout Underwood Ammo for Sale

Price History
8.6 Blackout
Underwood
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Brass New
UPC 816874024093
$2.17/rd $43.41 Gman Sporting Arms
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $20
$2.38/rd $47.66 Ash Arms ★★★★★ (1)
Low cost shipping boost

8.6 Blackout Underwood Ammo Price Graph

Today's 8.6 Blackout Underwood Ammo average is $2.56/rd, 3% below the 180-day average of $2.64/rd. Over the last 180 days, the average peaked at $2.72/rd on September 1, 2026 and bottomed at $2.51/rd on August 20, 2026.

Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct - 200 Rounds
300 Grains 200 Rounds Nickel Plated New
UPC 816874024093 $5 Off - Use Code CALIBERKING
$2.27/rd $453.38 Gun Place ★★★★★ (206)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct - 80 Rounds
300 Grains 80 Rounds Nickel Plated New
UPC 816874024093 $5 Off - Use Code CALIBERKING
$2.30/rd $184.16 Gun Place ★★★★★ (206)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 CC Fee 6%
$2.33/rd $46.68 All Things Firearm ★★★★★ (3)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct - 20 Rounds
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 $5 Off - Use Code CALIBERKING
$2.34/rd $46.74 Gun Place ★★★★★ (206)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $900 CC Fee 3%
$2.38/rd $47.61 Armed in Michigan ★★★★★ (714)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.40/rd $47.92 MCM Tactical ★★★★★ (60)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $20 Free Shipping > $1,000
$2.40/rd $48.08 Life2A ★★★★★ (3)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.42/rd $48.43 Redsand Tactical

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Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $20
$2.42/rd $48.47 Custom Creatives Group ★★★★★ (24)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.43/rd $48.55 Tungsten Creek Tactical
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.43/rd $48.55 Top Shelf Munitions ★★★★★ (2)
Underwood 8.6 Blackout 300gr HPBT 20rd Box
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.43/rd $48.64 Georgia Guns & Ammo ★★★★★ (2)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $1,250
$2.44/rd $48.69 Nadir Solutions ★★★★★ (18)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $1,000
$2.45/rd $48.94 Spargo Defense
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.45/rd $48.95 Patriotic Firearms
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $500
$2.45/rd $48.99 Cummings Family Firearms ★★★★★ (52)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.45/rd $49.01 Vital Defense ★★★★★ (14)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $18
$2.47/rd $49.48 Blackbox Ballistics ★★★★★ (2)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $1,000 CC Fee 3%
$2.47/rd $49.48 Bunker Hill Ballistics ★★★★★ (9)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.50/rd $49.93 Bulletproof Outfitters ★★★★★ (133)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.50/rd $49.99 Big Bee Bee ★★★★★ (11)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 CC Fee 3%
$2.50/rd $49.99 Cornerstone Arms ★★★★★ (373)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.50/rd $50.00 Armored Boar Gunworks ★★★★★ (53)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.51/rd $50.15 Pickett's Mill Armory ★★★★★ (26)
Underwood Ammo 8.6 Blackout Subsonic HPBT 300gr - 20rds
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $13 Free Shipping > $500
$2.52/rd $50.41 Axolotl Arms ★★★★★ (126)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $500
$2.52/rd $50.48 Safe Haven Defense
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.53/rd $50.54 Gun Wise
Underwood Ammo 8.6 Blackout Ammo 300gr HPBT Ammunition - 20 Rounds
300 Grains 20 Rounds Brass New
UPC 816874024093
$2.53/rd $50.65 Vizards Guns and Ammo ★★★★★ (1,070)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.55/rd $50.99 WTW Arms ★★★★★ (68)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.55/rd $50.99 Pathfinder Militaria ★★★★★ (106)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.55/rd $50.99 Precision Gunworks
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.55/rd $51.00 Loftus Firearms ★★★★★ (13)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $20
$2.55/rd $51.01 Cane Creek Munitions ★★★★★ (25)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $20
$2.56/rd $51.12 JB Armament ★★★★★ (126)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $100
$2.56/rd $51.14 Caliber Exchange ★★★★★ (1)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.57/rd $51.32 Ecommerce Arms
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Brass New
UPC 816874024093
$2.60/rd $51.99 Kind Sniper ★★★★★ (61)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.60/rd $52.00 Darmok Firearms ★★★★★ (37)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.60/rd $52.00 Echo 6 Weapons ★★★★★ (97)
Underwood Ammo 8.6 Blackout Ammo 300 Grain Hollow Point Boat Tail Box of 20
300 Grains 20 Rounds Brass New
UPC 816874024093
$2.61/rd $52.28 Drifters Gear ★★★★★ (25)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.61/rd $52.28 Allied Arms ★★★★★ (310)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.64/rd $52.86 Bayou Brass ★★★★★ (21)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.65/rd $52.99 2 If By Sea Tactical ★★★★★ (135)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.65/rd $53.00 CLB Guns ★★★★★ (45)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.65/rd $53.05 The Arsenal Project ★★★★★ (16)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $10 Free Shipping > $299
$2.70/rd $53.99 Canoe Creek Armory ★★★★★ (17)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $16
$2.70/rd $53.99 Riflenetics ★★★★★ (65)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$2.70/rd $53.99 Brickhouse Firearms
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.70/rd $53.99 Mad Wolf Armory ★★★★★ (3)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.70/rd $54.00 The Gun Pantry ★★★★★ (192)
Underwood 8.6 Blackout 300gr HPBT Subsonic 20rd Box
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $13 Free Shipping > $350
$2.70/rd $54.05 Shadowsmith Ammo ★★★★★ (23)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.73/rd $54.55 Black Bayou Armory ★★★★★ (83)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.75/rd $55.00 Highland Arms ★★★★★ (49)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $18
$2.75/rd $55.08 Sharp's Shooting Supply ★★★★★ (34)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $19 Free Shipping > $750
$2.75/rd $55.08 Riddle Firearms
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $15 Free Shipping > $500
$2.80/rd $56.00 Garrison's Guns ★★★★★ (21)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $15 Free Shipping > $500
$2.80/rd $56.02 Kinetic Armory ★★★★★ (3)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$2.83/rd $56.66 Scottsodg.com
Underwood Ammo UNDERWOOD 8.6 BLACKOUT 300GR HPBT 20RD 10BX/CS20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $15 Free Shipping > $500
$2.85/rd $56.99 BuyAGun ★★★★★ (3)
Underwood 8.6 Blackout Ammo 300 Grain Nosler Custom Competition Jacketed Hollow Point Box of 20
300 Grains 20 Rounds Brass New
UPC 816874024093 Free Shipping > $100
$2.85/rd $56.99 Midway USA ★★★★★ (119)
UNDERWOOD 8.6 BLACKOUT 300GR - HPBT 20RD 10BX/CS
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.86/rd $57.14 Utah Fast ★★★★★ (101)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300 GR Hollow Point Boat Tail 20 Per Box/10 Case - 20rd Box
300 Grains 20 Rounds Brass New
UPC 816874024093 Shipping $12
$2.90/rd $57.91 Classic Firearms ★★★★★ (2,454)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.90/rd $57.99 Get Guns N Ammo
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.90/rd $58.00 Birmingham Hill Armory ★★★★★ (16)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $700
$2.98/rd $59.58 Freedom Firearms ★★★★★ (2)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$2.99/rd $59.75 Don's Weaponry ★★★★★ (252)
Underwood Ammo High Performance Rifle 816874024093 8.6 Blackout 300 Grains Hollow Point Boat-Tail
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$3.00/rd $59.99 C-ME Firearms
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$3.03/rd $60.68 Firearms Express
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $150
$3.05/rd $61.00 Lightning Strike Arms ★★★★★ (32)
UNDERWOOD AMMO 8.6 Blackout 300 gr, 20-Round Box
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$3.05/rd $61.02 Shiner Tactical ★★★★★ (6)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$3.15/rd $62.99 Apocalypse Outfitters ★★★★★ (4)
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Free Shipping > $500
$3.20/rd $63.99 Timberlake Firearms ★★★★★ (11)
Underwood Ammo 8.6mm Blackout 300 grain Brass Cased Jacketed Hollow Point Rifle Ammo 20 Round
300 Grains 20 Rounds Brass New
UPC 816874024093 Free Shipping
$3.33/rd $66.49 Optics Planet
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$3.45/rd $68.99 Coastal Firearms
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093
$3.55/rd $71.00 EK Tactical ★★★★★ (10)
Underwood Ammo 951Underwood Ammo 951 Custom Competition 8.6Blackout 300gr Hollow Point Boat Tail 20 Per Box/10 Case
300 Grains 20 Rounds Nickel Plated New
UPC 816874024093 Shipping $10 Free Shipping > $100
$3.65/rd $73.07 Conkey's Outdoors ★★★★★ (175)

8.6 Blackout Underwood Ammo Price Graph

Today's 8.6 Blackout Underwood Ammo average is $2.56/rd, 3% below the 180-day average of $2.64/rd. Over the last 180 days, the average peaked at $2.72/rd on September 1, 2026 and bottomed at $2.51/rd on August 20, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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