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Stormlake Pistol Barrel for 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6" SS

USED StormLake 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6 SS, EDEMO1, Condition Fair, Other
USED StormLake 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6 SS, EDEMO1, Condition Fair, Other
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USED StormLake 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6 SS, EDEMO1, Condition Fair, Other

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Questions & Answers
do i need to change recoil spring Expert Answer

While it is not always necessary, it is recommended for best performance.

by Ethan C., Gear Expert, February 19, 2020
will the model 21 extractor or ejector be an issue now or ever? with this barrel swap Expert Answer

You could potentially need to swap out the extractor but, we have customers that haven't needed to and some that have, it's really on a firearm by firearm basis.

by Robert G., Gear Expert, September 30, 2019
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Stormlake .45 to 10mm conversion barrel by TSW17, August 3, 2019
This barrel is perfect in every way. The fit and durability is excellent. I’m glad I chose this barrel and you will be too. This is exactly what my Gen 4 Glock 21 needed. You will need this barrel, a Glock 20 magazine and a Glock 20 extractor and you...
Read More...
2/2 found this helpful
Helpful Positive Review
Works well by seniorboyd, August 25, 2016
I purchased this 10 MM barrel so I could hunt deer using my Glock 21 (45 ACP). The barrel dropped in and shot as good or better than factory. The only other purchase I made to accommodate this switch of calibers is a 10 MM magazine which fits the sa...
Read More...
11/11 found this helpful
Helpful Positive Review
Stormlake glock 21/21sf 10mm conversion barrel by Steve, May 21, 2019
Didn't know what to expect based on mixed reviews. I received the barrel within a couple of days. The fit and finish was excellent. When I put it into the Glock 21SF and ran it with the Glock 20 magazines, it shot great. No issues, no hiccups. N...
Read More...
2/2 found this helpful
Helpful Positive Review
HAPPYSHOOTER by HAPPYSHOOTER, May 18, 2017
THE BARREL IS FLAWLESS AND SHOWED PRECISION MACHINING. THE DROP IN BARREL WAS A PERFECT FIT AND I AM GOING TO PURCHASE A PORTED MODEL. THE ONLY THING I WOULD SUGGEST WOULD BE FOR THE SAKE OF COSMETICS. THAT WOULD BE TO HAVE AN OPTION FOR A BLUED FIN...
Read More...
1/1 found this helpful
Most Recent Reviews
Conversion barrel for Glock 21 /45acp to 10 mm by Jersey joe, November 7, 2019
Optic planet is a very resourceful site ,, easy ordering,very knowledgeable customer service,courteous,,haven’t had no issues with orders ,, this barrel does the job , no limitations on type of ammo ,, you can shoot Practically any ammo ,,had no prob...
Read More...
Read All 5 Reviews

Product Discontinued by Manufacturer

Stormlake Pistol Barrel for 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6" SS has been discontinued by Stormlake 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, Pistol Parts, Pistol Barrels yourself to try and find the perfect replacement for you!

Product Info for Stormlake Pistol Barrel for 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6" SS

StormLake Pistol Barrel 34017 Glock 21/21SF 10mm Conversion for 45ACP 4.6" SS - Machined from certified 416R stainless steel for superior strength, durability, and accuracy, StormLake's Glock barrels are match grade, hardened to 40-42 HRC and cut broach rifled to shoot jacketed or lead bullets.image

Specifications for StormLake Pistol Barrel 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6" SS:

Mfg Item Num:  34017
Supplier SKU:  01981
Category:  EXTRA BARRELS
Caliber or Gauge:  10mm Conversion for 45ACP
Length:  4.6"
Model:  21/21SF
Bore Type:  Rifled
Finish:  Stainless

Package Contents:

  • Stormlakelake Pistol Barrel for 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6" SS

Ammunition

1–36 / 36
Previous
Super Vel Ammunition 10mm 180 grain Full Metal Jacket Brass Cased Pistol Ammunition
Super Vel Ammunition 10mm 180 grain Full Metal Jacket Brass Cased Pistol Ammunition
As Low As (Save Up to 28%)
$34.49
$0.55 - $0.69/Round
See all 2 models
On Sale
Hornady Leverevolution 10mm Auto 150 Grain FTX Brass Cased Rifle Ammo, 20 Rounds, 91258
Hornady Leverevolution 10mm Auto 150 Grain FTX Brass Cased Rifle Ammo, 20 Rounds, 91258
List: $39.24 (Save 32%)
$26.79
$1.34/Round
Underwood Ammo 10mm Auto 150 Grain Xtreme Hunter Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition
Underwood Ammo 10mm Auto 150 Grain Xtreme Hunter Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition
As Low As (Save Up to 40%)
$49.09
$2.45 - $2.55/Round
See all 2 models
Underwood Ammo 10mm Auto 115 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition
Underwood Ammo 10mm Auto 115 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition
As Low As (Save Up to 46%)
$34.99
$1.75 - $1.80/Round
See all 2 models
Freedom Munitions HUSH Subsonic 10mm 200 Grain RNFP Brass Pistol Ammo, 50 Rounds, FMH10RF200N50
Freedom Munitions HUSH Subsonic 10mm 200 Grain RNFP Brass Pistol Ammo, 50 Rounds, FMH10RF200N50
(1)
List: $41.69 (Save 18%)
$33.99
$0.68/Round
Underwood Ammo 10mm Auto 140 Grain Xtreme Penetrator Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition
Underwood Ammo 10mm Auto 140 Grain Xtreme Penetrator Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition
(3)
As Low As (Save Up to 35%)
$40.69
$2.03 - $2.42/Round
See all 2 models
Best Rated
Nosler ASP 10mm 180 Grain Jacketed Hollow Point Brass Cased Cased Pistol Ammunition
Nosler ASP 10mm 180 Grain Jacketed Hollow Point Brass Cased Cased Pistol Ammunition
(6)
As Low As (Save Up to 46%)
$33.49
$1.20 - $1.67/Round
See all 2 models
On Sale
Hornady American Gunner, 10mm Auto, 155 Grain, XTP Centerfire, Pistol Ammo, 20 Rounds, 91224-25RD
Hornady American Gunner, 10mm Auto, 155 Grain, XTP Centerfire, Pistol Ammo, 20 Rounds, 91224-25RD
(2)
List: $31.61 (Save 35%)
$20.69
$1.03/Round
Best Rated
Hornady Critical Duty 10mm Auto 175 grain FlexLock Brass Cased Centerfire Pistol Ammo, 20 Rounds, 91256
Hornady Critical Duty 10mm Auto 175 grain FlexLock Brass Cased Centerfire Pistol Ammo, 20 Rounds, 91256
(5)
List: $47.27 (Save 34%)
$31.09
$1.55/Round
Fort Scott Munitions 10MM 190 grain TUI Brass Cased Pistol Ammo, 20 Rounds, 10MM-190-SCV2
Fort Scott Munitions 10MM 190 grain TUI Brass Cased Pistol Ammo, 20 Rounds, 10MM-190-SCV2
List: $61.99 (Save 44%)
$34.99
$1.75/Round
Underwood Ammo Range Supply 10mm 180 grain FMJ Brass Pistol Ammo, 50 Rounds, 297
Underwood Ammo Range Supply 10mm 180 grain FMJ Brass Pistol Ammo, 50 Rounds, 297
(2)
List: $38.99 (Save $2.20)
$36.79
$0.74/Round
Winchester Super-X Handgun 10mm Auto 175 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammo, 20 Rounds, W10MMST
Winchester Super-X Handgun 10mm Auto 175 grain Silvertip Jacketed Hollow Point Centerfire Pistol Ammo, 20 Rounds, W10MMST
(3)
List: $28.99 (Save 10%)
$26.19
$1.31/Round
PMC 10A Bronze 10mm Auto 200 Gr Full Metal Jacket Truncated-Cone TCFMJ
PMC 10A Bronze 10mm Auto 200 Gr Full Metal Jacket Truncated-Cone TCFMJ
(1)
List: $36.99 (Save $2.00)
$34.99
$0.70/Round
Hornady Handgun Hunter 10mm Auto 135 grain MonoFlex Brass Cased Centerfire Pistol Ammo, 20 Rounds, 91267
Hornady Handgun Hunter 10mm Auto 135 grain MonoFlex Brass Cased Centerfire Pistol Ammo, 20 Rounds, 91267
List: $56.64 (Save 29%)
$40.49
$2.02/Round
Best Rated
CCI Ammunition Blazer 10mm Auto 200 Grain Full Metal Jacket Aluminum Pistol Ammo, 50 Rounds, 3597
CCI Ammunition Blazer 10mm Auto 200 Grain Full Metal Jacket Aluminum Pistol Ammo, 50 Rounds, 3597
(6)
List: $29.99 (Save 17%)
$24.99
$0.50/Round
On Sale
Sellier & Bellot XRGDefense 10mm Auto 130grain Solid Copper Hollow Point Brass Cased Pistol Ammo, 25 Rounds, SB10XA
Sellier & Bellot XRGDefense 10mm Auto 130grain Solid Copper Hollow Point Brass Cased Pistol Ammo, 25 Rounds, SB10XA
(1)
List: $32.71 (Save 31%)
$22.49
$0.90/Round
Cor Bon 10mm Auto 200 Grain RNPN- Hunter Series Brass Cased Pistol Ammo, 20 Rounds, HT10200PN/20
Cor Bon 10mm Auto 200 Grain RNPN- Hunter Series Brass Cased Pistol Ammo, 20 Rounds, HT10200PN/20
(1)
List: $23.99 (Save 18%)
$19.69
$0.98/Round
Best Rated
SinterFire Next Generation 10mm Auto 125grain Lead-Free Ball Brass Cased Pistol Ammo, 50 Rounds, SF10125NXG-50
SinterFire Next Generation 10mm Auto 125grain Lead-Free Ball Brass Cased Pistol Ammo, 50 Rounds, SF10125NXG-50
(5)
List: $39.59 (Save 23%)
$30.39
$0.61/Round
Best Rated
Underwood Ammo 10mm Auto 220 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 242
Underwood Ammo 10mm Auto 220 Grain Coated Hard Cast Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 242
(6)
List: $48.79 (Save 43%)
$27.99
$1.40/Round
Speer Gold Dot 10mm Auto 200 Grain Hollow Point Pistol Ammo, 20 Rounds, 54000GD
Speer Gold Dot 10mm Auto 200 Grain Hollow Point Pistol Ammo, 20 Rounds, 54000GD
(1)
List: $54.99 (Save 18%)
$44.99
$2.25/Round
Best Rated
Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 243
Underwood Ammo 10mm Auto 180 Grain XTP Jacketed Hollow Point Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 243
(14)
List: $45.64 (Save 43%)
$25.99
$1.30/Round
G9 Defense 10mm Auto 145 Grain Copper Solid Brass Cased Pistol Ammo, 20 Rounds, WM-10MM-145A
G9 Defense 10mm Auto 145 Grain Copper Solid Brass Cased Pistol Ammo, 20 Rounds, WM-10MM-145A
(1)
List: $43.99 (Save 10%)
$39.69
$1.98/Round
PPU Handgun 10mm Auto 170 Grain Flat Point Jacketed Brass Cased Pistol Ammo, 50 Rounds, PPH10F
PPU Handgun 10mm Auto 170 Grain Flat Point Jacketed Brass Cased Pistol Ammo, 50 Rounds, PPH10F
(1)
List: $64.32 (Save 51%)
$31.49
$0.63/Round
Wilson Combat Lehigh Defense XD 10mm Auto 150 Grain Fluid Transfer Monolithic Brass Cased Pistol Ammo, 20 Rounds, LA10-150-XD
Wilson Combat Lehigh Defense XD 10mm Auto 150 Grain Fluid Transfer Monolithic Brass Cased Pistol Ammo, 20 Rounds, LA10-150-XD
List: $57.95 (Save 12%)
$51.09
$2.55/Round
Hornady Custom 10mm Auto 180 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 20 Rounds, 9126
Hornady Custom 10mm Auto 180 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 20 Rounds, 9126
List: $37.99 (Save 26%)
$27.99
$1.40/Round
SIG SAUER Elite V-Crown 10mm Auto 200 Grain Jacketed Hollow Point Brass Cased Centerfire Pistol Ammo, 20 Rounds, E10MM200-20
SIG SAUER Elite V-Crown 10mm Auto 200 Grain Jacketed Hollow Point Brass Cased Centerfire Pistol Ammo, 20 Rounds, E10MM200-20
(2)
List: $34.95 (Save 14%)
$29.99
$1.50/Round
Lehigh Defense 10mm 115 Grain 09 Xtreme Defense Brass Pistol Ammo, 20 Rounds, LA10-115-XD
Lehigh Defense 10mm 115 Grain 09 Xtreme Defense Brass Pistol Ammo, 20 Rounds, LA10-115-XD
List: $38.95 (Save $2.46)
$36.49
$1.82/Round
Liberty Ammunition OverWatch 10mm Auto 70grain Open Cavity Design Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, LA-OW10MM-70-2150
Liberty Ammunition OverWatch 10mm Auto 70grain Open Cavity Design Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, LA-OW10MM-70-2150
(1)
List: $49.99 (Save 19%)
$40.59
$2.03/Round
On Sale
SinterFire Reduced Hazard 10 mm 125 Grain Frangible Brass Cased Pistol Ammo, 50 Rounds, SF10125RHA
SinterFire Reduced Hazard 10 mm 125 Grain Frangible Brass Cased Pistol Ammo, 50 Rounds, SF10125RHA
(1)
List: $45.09 (Save 28%)
$32.69
$0.65/Round
Remington 10mm Auto 200 Grain Core-Lokt Hollow Point Pistol Ammo, 20 Rounds, R20231
Remington 10mm Auto 200 Grain Core-Lokt Hollow Point Pistol Ammo, 20 Rounds, R20231
List: $45.99 (Save 28%)
$33.29
$1.66/Round
On Sale
Hornady Custom 10mm Auto 155 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 20 Rounds, 9122
Hornady Custom 10mm Auto 155 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 20 Rounds, 9122
(1)
List: $37.99 (Save 34%)
$25.19
$1.26/Round
HSM Subsonic 10mm 240 Grain Hard Cast Lead Brass Cased Pistol Ammo, 20 Rounds, A10MM17N
HSM Subsonic 10mm 240 Grain Hard Cast Lead Brass Cased Pistol Ammo, 20 Rounds, A10MM17N
(3)
List: $43.00 (Save 20%)
$34.49
$1.72/Round
Federal Premium American Eagle Syntech 10mm Auto 205 Grain Total Syntech Jacket Flat Nose Brass Pistol Ammo, 50 Rounds, AE10SJ1
Federal Premium American Eagle Syntech 10mm Auto 205 Grain Total Syntech Jacket Flat Nose Brass Pistol Ammo, 50 Rounds, AE10SJ1
(1)
List: $48.99 (Save 21%)
$38.59
$0.77/Round
G2 Research Ammunitions R.I.P. 10mm Auto 115 Grain Hollow Point Brass Cased Pistol Ammo, 20 Rounds, RIP 10MM
G2 Research Ammunitions R.I.P. 10mm Auto 115 Grain Hollow Point Brass Cased Pistol Ammo, 20 Rounds, RIP 10MM
List: $53.00 (Save $2.51)
$50.49
$2.52/Round
Best Rated
Magtech 10mm 180 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 10A
Magtech 10mm 180 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 10A
(16)
List: $27.89 (Save $2.40)
$25.49
$0.51/Round
Freedom Munitions 10mm 180 Grain RNFP Brass Pistol Ammunition
Freedom Munitions 10mm 180 Grain RNFP Brass Pistol Ammunition
As Low As (Save 12%)
$24.49
$0.49/Round
See all 3 models
Next

Ammo Boxes

1–13 / 13
Previous
MTM Ammo Box .45acp/.40sw/10mm 200-rounds, Clear Blue, P2004524
MTM Ammo Box .45acp/.40sw/10mm 200-rounds, Clear Blue, P2004524
List: $14.39 (Save 31%)
$9.99
Best Rated
MTM P-100 Fliptop Box .45 ACP/10mm/.40 S&W/.41 AE, Clear Green/Black, P-100-45-16T
MTM P-100 Fliptop Box .45 ACP/10mm/.40 S&W/.41 AE, Clear Green/Black, P-100-45-16T
(6)
List: $5.62
$5.49
Best Rated
Frankford Arsenal Reloading Tools Hinge-Top Ammo Box, #1008, 10mm-45 ACP 100 ct., 1083798
Frankford Arsenal Reloading Tools Hinge-Top Ammo Box, #1008, 10mm-45 ACP 100 ct., 1083798
(11)
List: $8.95 (Save 27%)
$6.49
MTM 50 Round 45ACP/10MM Red Pistol Ammo Box, P504529
MTM 50 Round 45ACP/10MM Red Pistol Ammo Box, P504529
(4)
List: $3.53
$3.49
MTM 50 Round 45ACP/10MM Blue Pistol Box, P504524
MTM 50 Round 45ACP/10MM Blue Pistol Box, P504524
(3)
List: $3.53
$3.49
Berry's Manufacturing Ammo Box #008 - .40/45 ACP/10mm Zombie Green & Black -100 rds, JF00600
Berry's Manufacturing Ammo Box #008 - .40/45 ACP/10mm Zombie Green & Black -100 rds, JF00600
$5.49
MTM 50 Round 45ACP/10MM Green Ammo Box, P504510
MTM 50 Round 45ACP/10MM Green Ammo Box, P504510
(2)
List: $3.53
$3.49
MTM Ammo Box .45acp/.40sw/10mm 200-rounds, Green, P2004510
MTM Ammo Box .45acp/.40sw/10mm 200-rounds, Green, P2004510
List: $15.99 (Save 39%)
$9.72
Best Rated
MTM 100 Round 45ACP-10MM Blue Pistol Ammo Box, P1004524
MTM 100 Round 45ACP-10MM Blue Pistol Ammo Box, P1004524
(6)
List: $5.62
$5.49
Best Rated
MTM P50 Fliptop Box Handgun .45 ACP/10mm/.40 S&W/.41 AE, Clear Green, P50-45-16
MTM P50 Fliptop Box Handgun .45 ACP/10mm/.40 S&W/.41 AE, Clear Green, P50-45-16
(5)
List: $3.53
$3.49
Best Rated
MTM 100 Round 45ACP/10MM Pistol Ammo Box, Clear Red, P1004529
MTM 100 Round 45ACP/10MM Pistol Ammo Box, Clear Red, P1004529
(7)
List: $5.62
$5.49
Plano Handgun Ammo Case,Dark Gray/Transparent Rose, PMC122750
Plano Handgun Ammo Case,Dark Gray/Transparent Rose, PMC122750
(3)
List: $15.98 (Save 44%)
$8.99
Best Rated
MTM 100 Round 45ACP/10MM Green Pistol Ammo Box, P1004510
MTM 100 Round 45ACP/10MM Green Pistol Ammo Box, P1004510
(11)
List: $5.62
$5.49
Next

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Stormlake Pistol Barrel for 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6" SS Unavailable & Discontinued Models

List of Unorderable Models

  • USED StormLake 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6 SS, EDEMO1, Condition Fair, Other , MPN: 34017-EDEMO1 , Code: 1UR-BPI-34017-EDEMO-OT-D
  • StormLake 34017 Glock 21/21SF 10mm Conversion For 45ACP 4.6 SS , MPN: 34017 , UPC: 848589001076 , Code: 1UR-BPI-34017
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