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Geissele Chrome Lined 300 Blackout Barrel

Photo Coming Soon!
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
Is it come with a gas block and gas tube?

Yes. Carbine length

by leon kennedy, Verified Owner, March 21, 2026
What is the twist rate?

1 in 7 twist rate

by leon kennedy, Verified Owner, March 21, 2026
View All Q&A You Have a Question? Ask!

Product Discontinued by Manufacturer

Geissele Chrome Lined 300 Blackout Barrel has been discontinued by Geissele and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, Rifle Barrels, AR15 Barrels yourself to try and find the perfect replacement for you!

Product Info for Geissele Chrome Lined 300 Blackout Barrel

Geissele barrels are precision machined and cold hammer forged utilizing the highest quality materials at our state of the art facility in North Wales, PA to ensure the highest quality and consistency of each barrel. Our barrels are High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI). The accuracy and reliability of Geissele CHF barrels makes them an ideal choice for a hard use duty weapon, precision tuned competition gun, and everything in between.image

Package Contents:

  • Geissele Chrome Lined 300 Blackout Barrel

Ammunition

1–39 / 39
Previous
Best Rated
Winchester Super Suppressed .300 AAC Blackout 200 grain Full Metal Jacket Centerfire Rifle Ammo, 20 Rounds, SUP300BLK
Winchester Super Suppressed .300 AAC Blackout 200 grain Full Metal Jacket Centerfire Rifle Ammo, 20 Rounds, SUP300BLK
(26)
List: $55.29 (Save 56%)
$24.49
$1.22/Round
Best Rated
Freedom Munitions .300 Blackout 147 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions .300 Blackout 147 Grain Full Metal Jacket Brass Rifle Ammunition
(11)
As Low As (Save Up to 19%)
$30.49
$0.60 - $0.66/Round
See all 3 models
Best Rated
Freedom Munitions .300 Blackout 150 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions .300 Blackout 150 Grain Full Metal Jacket Brass Rifle Ammunition
(5)
As Low As (Save Up to 19%)
$30.99
$0.61 - $0.67/Round
See all 3 models
Best Rated
Barnes Vor-TxRifle Cartridges, .300 AAC Blackout, TAC-TX Flat Base, 110 Grain, 20 - Rounds, 21548
Barnes Vor-TxRifle Cartridges, .300 AAC Blackout, TAC-TX Flat Base, 110 Grain, 20 - Rounds, 21548
(7)
List: $52.99 (Save 10%)
$47.49
$2.37/Round
13% Coupon
Remington .300 AAC Blackout UMC 220 Grain Open Tip Flat Base Brass Rifle Ammunition
Remington .300 AAC Blackout UMC 220 Grain Open Tip Flat Base Brass Rifle Ammunition
(3)
As Low As (Save Up to 27%)
$290.49
$1.52 - $1.82/Round
See all 2 models
On Sale
Hornady Custom .300 AAC Blackout 135 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80881
Hornady Custom .300 AAC Blackout 135 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80881
(3)
List: $49.53 (Save 32%)
$33.48
$1.67/Round
13% Coupon
Barnes Precision Match .300 AAC Blackout 125 grain Match Burner Open Tip Match Boat Tail Centerfire Rifle Ammunition
Barnes Precision Match .300 AAC Blackout 125 grain Match Burner Open Tip Match Boat Tail Centerfire Rifle Ammunition
(1)
As Low As (Save Up to 13%)
$40.92
$2.05/Round
See all 2 models
Newly Added
Doubletap Ammunition Colt Defense .300 AAC Blackout, 125 grain, Solid Copper, 20 Rounds Rifle Ammo, 300BLK125CT
Doubletap Ammunition Colt Defense .300 AAC Blackout, 125 grain, Solid Copper, 20 Rounds Rifle Ammo, 300BLK125CT
List: $49.99 (Save 29%)
$35.49
$1.77/Round
12% Bonus Bucks
Atomic Ammunition Subsonic .300 AAC Blackout 220 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition
Atomic Ammunition Subsonic .300 AAC Blackout 220 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition
As Low As (Save Up to $3.00)
$37.49
$1.81 - $1.87/Round
See all 2 models
SinterFire Reduced Hazard .300 AAC Blackout 110 Grain Frangible Brass Cased Rifle Ammo, 50 Rounds, SF300BLK110RHA
SinterFire Reduced Hazard .300 AAC Blackout 110 Grain Frangible Brass Cased Rifle Ammo, 50 Rounds, SF300BLK110RHA
(3)
List: $50.69 (Save 15%)
$43.05
$0.86/Round
11% Coupon
Hornady Frontier .300 AAC Blackout 125 Grain Full Metal Jacket Centerfire Rifle Ammunition
Hornady Frontier .300 AAC Blackout 125 Grain Full Metal Jacket Centerfire Rifle Ammunition
(6)
As Low As (Save Up to 26%)
$27.99
$1.20 - $1.40/Round
See all 3 models
Wilson Combat Hornady V-MAX .300 AAC Blackout 110 Grain Brass Cased Pistol Ammo, 20 Round, A300BLK-110-VMAX-20RD
Wilson Combat Hornady V-MAX .300 AAC Blackout 110 Grain Brass Cased Pistol Ammo, 20 Round, A300BLK-110-VMAX-20RD
(1)
List: $30.95 (Save $1.96)
$28.99
$1.45/Round
Norma Range & Training .300 Blackout 147 Grain FMJ Brass Cased Rifle Ammo, 20 Rounds, 601801709
Norma Range & Training .300 Blackout 147 Grain FMJ Brass Cased Rifle Ammo, 20 Rounds, 601801709
List: $21.49 (Save 12%)
$18.99
$0.95/Round
Remington UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Rifle Ammunition
Remington UMC Rifle .300 AAC Blackout 220 Grain Open Tip Flat Base Rifle Ammunition
(1)
As Low As (Save Up to 14%)
$36.49
$1.80 - $1.82/Round
See all 2 models
Hornady Ammo Custom, .300 Blackout, 110 Grain, Centerfire Rifle Ammo, CX Polymer Tip, 20 Rounds, 808794
Hornady Ammo Custom, .300 Blackout, 110 Grain, Centerfire Rifle Ammo, CX Polymer Tip, 20 Rounds, 808794
(4)
List: $50.84 (Save 23%)
$38.99
$1.95/Round
Nosler Match Grade .300 AAC Blackout 220 Grain Custom Competition Hollow Point Boat Tail Brass Cased Centerfire Rifle Ammo, 20 Rounds, 51275
Nosler Match Grade .300 AAC Blackout 220 Grain Custom Competition Hollow Point Boat Tail Brass Cased Centerfire Rifle Ammo, 20 Rounds, 51275
(3)
List: $50.95 (Save 11%)
$45.49
$2.27/Round
Barnes Vor-TxRifle Cartridges, .300 AAC Blackout, TAC-TX Boat Tail , 120 Grain, 20 - Rounds, 30827
Barnes Vor-TxRifle Cartridges, .300 AAC Blackout, TAC-TX Boat Tail , 120 Grain, 20 - Rounds, 30827
(1)
List: $78.07 (Save 31%)
$53.99
$2.70/Round
Underwood Ammo .300 AAC Blackout 125 Grain Polymer Tipped Spitzer Nickel Plated Brass Cased Rifle Ammo, 20 Rounds, 418
Underwood Ammo .300 AAC Blackout 125 Grain Polymer Tipped Spitzer Nickel Plated Brass Cased Rifle Ammo, 20 Rounds, 418
List: $35.99
$35.09
$1.75/Round
Best Rated
Barnes 300 AAC Blackout, 120 Grain, Jacketed Hollow Point/JHP, Brass Cased Centerfire Rifle Ammo, 20 Rounds, 32004
Barnes 300 AAC Blackout, 120 Grain, Jacketed Hollow Point/JHP, Brass Cased Centerfire Rifle Ammo, 20 Rounds, 32004
(6)
List: $29.99 (Save 10%)
$26.99
$1.35/Round
Remington .300 AAC Blackout UMC 150 Grain Full Metal Jacket Brass Rifle Ammo, 200 Rounds, 20107
Remington .300 AAC Blackout UMC 150 Grain Full Metal Jacket Brass Rifle Ammo, 200 Rounds, 20107
(1)
List: $355.99 (Save 18%)
$293.49
$1.47/Round
SIG SAUER .300 AAC Blackout 220 Grain Match Brass Cased Rifle Ammo, 20 Rounds, C300A2-20
SIG SAUER .300 AAC Blackout 220 Grain Match Brass Cased Rifle Ammo, 20 Rounds, C300A2-20
List: $32.99 (Save 15%)
$27.99
$1.40/Round
SinterFire GreenLine .300 AAC Blackout 110 Grain Frangible Brass Rifle Ammo, 50 Rounds, SF300BLK110GL-C
SinterFire GreenLine .300 AAC Blackout 110 Grain Frangible Brass Rifle Ammo, 50 Rounds, SF300BLK110GL-C
(1)
List: $52.79 (Save 12%)
$46.49
$0.93/Round
Federal Fusion MSR .300 AAC Blackout 150 Grain Soft Point Rifle Ammo, 20 Rounds, F300BMSR2
Federal Fusion MSR .300 AAC Blackout 150 Grain Soft Point Rifle Ammo, 20 Rounds, F300BMSR2
(3)
Price After Rebate
$30.40
$1.90/Round
Barnes Precision Match .300 AAC Blackout 220 Grain Jacketed Hollow Point Brass Rifle Ammo, 20 Rounds, BB300BLKM2
Barnes Precision Match .300 AAC Blackout 220 Grain Jacketed Hollow Point Brass Rifle Ammo, 20 Rounds, BB300BLKM2
(1)
List: $48.99 (Save 12%)
$42.99
$2.15/Round
On Sale
Nosler .300 AAC Blackout, Ballistic Tip , 125 grain, Brass Cased, 20 Rounds, 61032
Nosler .300 AAC Blackout, Ballistic Tip , 125 grain, Brass Cased, 20 Rounds, 61032
List: $54.95 (Save 26%)
$40.42
$2.02/Round
Federal Premium Power-Shok .300 AAC Blackout 150 Grain Soft Point Rifle Ammo, 20 Rounds, 300BLKB
Federal Premium Power-Shok .300 AAC Blackout 150 Grain Soft Point Rifle Ammo, 20 Rounds, 300BLKB
Price After Rebate
$25.20
$1.57/Round
HSM Ammunition Match .300 AAC Blackout 208 Grain Spitzer Boat Tail Brass Cased Rifle Ammo, 20 Rounds, 300BLK1N
HSM Ammunition Match .300 AAC Blackout 208 Grain Spitzer Boat Tail Brass Cased Rifle Ammo, 20 Rounds, 300BLK1N
List: $54.49 (Save 42%)
$31.59
$1.58/Round
Wilson Combat Hornady ELD-M .300 AAC Blackout 208 Grain Brass Cased Pistol Ammo, 20 Round, A300BLK-208-ELDM-20RD
Wilson Combat Hornady ELD-M .300 AAC Blackout 208 Grain Brass Cased Pistol Ammo, 20 Round, A300BLK-208-ELDM-20RD
List: $39.95 (Save $3.59)
$36.36
$1.82/Round
G9 Defense 300 BLK 120 Grain Barrier Blind Hollow Point Brass Cased Rifle Ammo, 20 Rounds, B-300BLK-120
G9 Defense 300 BLK 120 Grain Barrier Blind Hollow Point Brass Cased Rifle Ammo, 20 Rounds, B-300BLK-120
List: $51.99 (Save 17%)
$42.99
$2.15/Round
Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 300BLKB
Magtech 300 Blackout 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 50 Rounds, 300BLKB
(1)
List: $48.60 (Save 16%)
$40.99
$0.82/Round
Lehigh Defense Maximum Expansion .300 AAC Blackout 194 grain Boat Tail Hollow Point Brass Rifle Ammo, 20 Rounds, LA300BLK-194-ME
Lehigh Defense Maximum Expansion .300 AAC Blackout 194 grain Boat Tail Hollow Point Brass Rifle Ammo, 20 Rounds, LA300BLK-194-ME
List: $108.69 (Save 25%)
$81.95
$4.10/Round
Barnes .300 AAC Blackout 220 Grain Suppressor BTHP Brass Rifle Ammo, 20 Rounds, SUP300BLK2
Barnes .300 AAC Blackout 220 Grain Suppressor BTHP Brass Rifle Ammo, 20 Rounds, SUP300BLK2
List: $47.00 (Save 35%)
$30.49
$1.52/Round
Underwood Ammo .300 AAC Blackout 110 Grain Flat Base Tipped Spitzer Nickel Plated Brass Cased Rifle Ammo, 20 Rounds, 417
Underwood Ammo .300 AAC Blackout 110 Grain Flat Base Tipped Spitzer Nickel Plated Brass Cased Rifle Ammo, 20 Rounds, 417
List: $31.99
$31.19
$1.56/Round
Veteran Ammo Defense .300 AAC Blackout 110 Grain Hollow Point Brass Cased Centerfire Pistol Ammo, 20 Rounds, HMBX-300-26
Veteran Ammo Defense .300 AAC Blackout 110 Grain Hollow Point Brass Cased Centerfire Pistol Ammo, 20 Rounds, HMBX-300-26
List: $53.49 (Save 22%)
$41.49
$2.07/Round
Veteran Ammo Defense .300 AAC Blackout 200 grain Hollow Point Brass Cased Centerfire Pistol Ammo, 20 Rounds, HMBX-300-27
Veteran Ammo Defense .300 AAC Blackout 200 grain Hollow Point Brass Cased Centerfire Pistol Ammo, 20 Rounds, HMBX-300-27
List: $59.99 (Save 18%)
$48.99
$2.45/Round
Super Vel Ammunition 300 Blackout 200 grain Full Metal Jacket Brass Cased Rifle Ammunition
Super Vel Ammunition 300 Blackout 200 grain Full Metal Jacket Brass Cased Rifle Ammunition
As Low As (Save Up to 17%)
$57.99
$1.13 - $1.16/Round
See all 2 models
7% Coupon
Super Vel Ammunition 300 Blackout 150 grain Full Metal Jacket Brass Cased Rifle Ammunition
Super Vel Ammunition 300 Blackout 150 grain Full Metal Jacket Brass Cased Rifle Ammunition
As Low As (Save Up to 20%)
$46.49
$0.88 - $0.93/Round
See all 2 models
Freedom Munitions .300 Blackout 125 Grain Full Metal Jacket Brass Rifle Ammo, 50 Rounds, FM300F125N50
Freedom Munitions .300 Blackout 125 Grain Full Metal Jacket Brass Rifle Ammo, 50 Rounds, FM300F125N50
(6)
List: $37.19 (Save 11%)
$32.99
$0.66/Round
Nosler BTA Ballistic Tip Ammunition 300 Blackout 220 Grain Ballistic Tip Round Nose Brass Cased Centerfire Rifle Ammo, 20 Rounds, 61050
Nosler BTA Ballistic Tip Ammunition 300 Blackout 220 Grain Ballistic Tip Round Nose Brass Cased Centerfire Rifle Ammo, 20 Rounds, 61050
List: $54.95
$53.99
$2.70/Round
Next

Ammo Boxes

1–2 / 2
Previous
MTM J-20-MLD Slip-Top Ammo Box
MTM J-20-MLD Slip-Top Ammo Box
(1)
List: $3.82
$3.79
See all 2 models
Best Rated
MTM Ammo Can Tray for Metal Cans 30 Cal., Dark Earth, MAC30
MTM Ammo Can Tray for Metal Cans 30 Cal., Dark Earth, MAC30
(12)
List: $22.09 (Save 32%)
$14.99
Next

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Geissele Chrome Lined 300 Blackout Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • Geissele Chrome Lined Barrel, .300 AAC Blackout, 8 inch, 05-3112 , MPN: 05-3112 , UPC: 810081135856 , Code: 1TO-ATB-ADE14-05-3112
  • Geissele Chrome Lined Barrel, .300 AAC Blackout, 5 inch, 05-2806 , MPN: 05-2806 , UPC: 810081134408 , Code: 1TO-ATB-ADE14-05-2806
  • Geissele Chrome Lined Barrel, .300 AAC Blackout, 10.3 inch, 05-2370 , MPN: 05-2370 , UPC: 810081134422 , Code: 1TO-ATB-ADE14-05-2370
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Last updated 2026-11-03 UTC.