$
14,361.08
Rifles
Semi Auto Rifles
AR Rifles
AK Rifles
Bolt Action Rifles
Lever Action Rifles
Handguns
Semi Auto Handguns
AR Pistols
AK Pistols
Revolvers
Derringers
Shotguns
Semi Auto Shotguns
Over Under Shotguns
Side By Side Shotguns
Single Shot Shotguns
Ammo
Rifle Ammunition
Handgun Ammunition
Rimfire Ammunition
Shotgun Shells
Other Ammunition
Optics
Red Dots Sights
Gun Scopes
Gun Sights
Binoculars
Thermal Sights
Range Finders
Laser Sights
Scope Accessories & Scope Parts
Scope Bases
Scope Mounts
Scope Rings
Suppressors
Silencers & Suppressed Firearms
Short Barrel Rifles (SBR)
Class 3 Parts & Accessories
Gun Parts
AR15 Parts
AR15 Lowers
AR15 Uppers
AR15 Barrels
AR15 Stocks, Forends, Forearms
AR Triggers
AR Lower Parts Kits
Other AR15 Accessories & Parts
AR10 Parts
AR10 Barrels
AR10 Uppers
AR10 Bolts
Other AR10 Accessories & Parts
Handgun Parts
Handgun Barrels
Handgun Frames
Handgun Slides
Other Handgun Accessories & Parts
Magazines
Rifle Magazines
AK Magazines
AR Magazines
Handgun Magazines
Shotgun Magazines
Login
Products search
Rifles
Semi Auto Rifles
AR Rifles
AK Rifles
Bolt Action Rifles
Lever Action Rifles
Handguns
Semi Auto Handguns
AR Pistols
AK Pistols
Revolvers
Derringers
Shotguns
Semi Auto Shotguns
Over Under Shotguns
Side By Side Shotguns
Single Shot Shotguns
Ammo
Ready-to-shoot ammunition for firearms.
Rifle Ammunition
Handgun Ammunition
Rimfire Ammunition
Shotgun Shells
Other Ammunition
Optics
Gun scopes – Selection of gun scopes and gun optics.
Red Dots Sights
Gun Scopes
Gun Sights
Binoculars
Thermal Sights
Range Finders
Laser Sights
Scope Accessories & Scope Parts
Scope Bases
Scope Mounts
Scope Rings
Suppressors
All types of federally restricted firearms, including machine guns, destructive devices, and silencers
Silencers & Suppressed Firearms
Short Barrel Rifles (SBR)
Class 3 Parts & Accessories
Gun Parts
Firearm parts or accessories.
AR15 Parts
AR15 Lowers
AR15 Uppers
AR15 Barrels
AR15 Stocks, Forends, Forearms
AR Triggers
AR Lower Parts Kits
Other AR15 Accessories & Parts
AR10 Parts
AR10 Barrels
AR10 Uppers
AR10 Bolts
Other AR10 Accessories & Parts
Handgun Parts
Handgun Barrels
Handgun Frames
Handgun Slides
Other Handgun Accessories & Parts
Magazines
Rifle Magazines
AK Magazines
AR Magazines
Handgun Magazines
Shotgun Magazines
Login
Products search
Handgun Barrels
Filters
“GLOCK OEM THRDD BBL G21 GEN 4 45ACP” has been added to your cart.
View cart
Default sorting
Sort by popularity
Sort by average rating
Sort by latest
Sort by price: low to high
Sort by price: high to low
Show 12 Products
Show
12 Products
Show
24 Products
Show
36 Products
Show
48 Products
Add to cart
View Details
GREY GHOST PREC FOR GLOCK 17 9 – GEN 5 NON-THREADED BLK NITRIDE
Handgun Barrels
$
172.79
PLUS TAX
0
Add to cart
View Details
GREY GHOST PREC P320C 9MM – THREADED BLACK BLACK NITRIDE
Handgun Barrels
$
187.19
PLUS TAX
0
Add to cart
View Details
GRIFFIN BBL GEN5 FOR GLK17 W/COMP
Handgun Barrels
$
186.00
PLUS TAX
0
Add to cart
View Details
GROVTEC CRUSH WASHER .223 5 PACK
Handgun Barrels
$
14.00
PLUS TAX
0
Add to cart
View Details
HECKLER AND KOCH (HK USA) BARREL P30 9MM THREADED
Handgun Barrels
$
243.00
PLUS TAX
0
Add to cart
View Details
HECKLER AND KOCH (HK USA) BARREL VP9 TACT 9MM 4.45″ THRD
Handgun Barrels
$
221.00
PLUS TAX
0
Add to cart
View Details
HK BARREL USP-T 45ACP 5.09″ THREADED
Handgun Barrels
$
243.00
PLUS TAX
0
Add to cart
View Details
IFG FK BRNO CONV KIT 10MM BBL ONLY
Handgun Barrels
$
183.00
PLUS TAX
0
Add to cart
View Details
LBE AR 5.56NATO 1/7 TWIST 16.25″ BLK
Handgun Barrels
$
245.00
PLUS TAX
0
Add to cart
View Details
LBE BARREL FOR GLOCK 17 9MM BLK
Handgun Barrels
$
88.00
PLUS TAX
0
Add to cart
View Details
LWD ALPHAWOLF BBL FOR G19 9MM
Handgun Barrels
$
107.96
PLUS TAX
0
Add to cart
View Details
LWD ALPHAWOLF BBL FOR G27/G33 CON TD
Handgun Barrels
$
134.95
PLUS TAX
0
←
1
2
3
4
5
6
7
8
9
…
14
15
16
→
Filters
Filters
Manufacturer
- Select Manufacturer -
Federal Ammunition
Winchester
Springfield Armory
LBE Unlimited
Century Arms
GrovTec
FN America / FN Herstal
Silencer Co
Rival Arms
Fortis Manufacturing
Glock
Heckler & Koch / H&K
Rugged Suppressors
Advantage Arms
Backup Tactical
Noveske Rifleworks
Smith & Wesson / S&W
Sig Sauer
Beretta
Tactical Solutions
Lone Wolf Distributors
Shadow Systems
Canik
Q LLC
Advanced Armament Corp
ZEV
GPS
Magnum Research
Radian Weapons
Faxon Firearms
Mossberg
Gemtech
Grey Ghost Precision
G Outdoors
Bond Arms
Walther Arms
True Precision
Griffin Armament
Energetic Armament
Cole-TAC
Zaffiri Precision
BRNO
ANECHOIC
Rim Country MFG
SSK Firearms
Model
- Select Model -
P320
Crush Washer
Rimfire
43
17
19
Frag
PDX1 Defender
21
G19
Taper Adapter
Hellcat
XD-M
Fusion
P365
OEM
Suppressor Cover
Tactical Suppressor Cover
Hellcat Pro
Erector
Trail-Lite
AlphaWolf
P229
Precision
Metal Python
Ti-Rant Piston Conversion
P365XL
Flash Hider End Cap
HTP Cover
Blowhole
Axiom
DTA Mount
Duty
Threaded Barrel
Dawn 365
Dawn 365XL
Derringer
GGP
ATM
Match Grade Barrel
Replacement Barrel
DM Slide
Ramjet + Afterburner Combo
RAMJET
Plan-B
FK Bruno 9MM Conversion
Fixed Mount
DR
Triad 3-Lug Adapter
Gen 5
Caliber/guage
- Select Caliber/guage -
.44 Magnum
.223 REM/5.56 NATO
.22 LR
9mm
.45 ACP
.40 S&W
10mm
.357 Magnum
.22 Caliber
.50 Action Express
7.62MM
Silencer Adapter
12
357 MAXIMUM
Grains
- Select Grains -
125 GRAINS
300 GRAINS
Barrel Length
- Select Barrel Length -
5"
6"
7.5"
4.02"
4.49"
4.3"
3.7"
4.5"
4.75''
3.8"
4.65"
3.4"
3.9''
3.1"
4"
3"
3.9"
3.7''
4.6"
3.77"
24
4.49''
5.5"
4.44"
4.68"
4.8"
5.09"
16.25"
5.3"
4.42''
Length
- Select Length -
6.2500
5.8000
2.5000
7.8500
9.4500
9.3500
6.4000
7.3000
5
6.6000
9.2000
9.5000
6.5500
6.6500
7.7000
Crush Washer
8
9.1500
6.7500
6.7000
10.5000
6.5000
3.3500
3.4500
9.7000
9.3000
7.1500
2.7
13.7500
13
7.50"
Rimfire
0
5.50"
6"
19
19.1500
4.50"
3.70"
3.90"
7.13
4.60"
4.30"
0.75
36.5000
29.2500
1.6000
4.02"
Show
(
190
)
Cancel
© 2025 — AdVance Armament
