FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Save on Magazine Extensions and Mag Accessories - Amazing Deals on Products from ZEV Technologies, HYVE Technologies, Carlson's Choke Tubes & More! — 368 products / 1,070 models

Check out these magazine extensions that will expand your ammunition count and create a more ergonomic mag for your weapon. We've got incredible deals on top brands in the industry like HYVE Technologies , Wilson Combat and ZEV Technologies. A magazine extension base pad boosts the capacity of your magazine at no cost to performance. We also offer other options like grip extensions that turn your mag into a reliable gripping surface for enhanced accuracy and handling.image

Please check your local laws to make sure you can legally add a mag extension to your firearm setup. At OpticsPlanet, we have all the tactical, hunting, and outdoor gear you crave at a price you'll love. Shop online with us today and get FREE shipping on all orders over $49.

Other categories you might be interested in are 9mm Luger Ammunition, Magazine Pouches, Magazines, Magnifier Accessories, Magnifiers.

Popular Brands

Image of Strike Industries category
Image of Choate Tool category
Image of Tyrant CNC category
Image of TRYBE Defense category
Image of FAB Defense category
Image of HYVE Technologies category
Image of Carlson's Choke Tubes category
Image of OPMOD category
Image of Lockstep Arms category
Image of Nordic Components category
Image of Briley category
Image of Warne category
Image of Tactical Precision Manufacturing category
Image of TANDEMKROSS category
Image of Lancer Systems category
Image of GG&G category
Image of FCW category
Image of Cross Armory category
Image of Killer Innovations category
Image of Wilson Combat category

Image of Tyrant CNC Glock 43 Magazine Extension 18 models Tyrant CNC Glock 43 Magazine Extension (4) As Low As (Save Up to 21%) $26.69 10% Bonus Bucks
Image of Tactical Precision Manufacturing TPM Sig P320/X5 Legion 3 Round Extension 10 models Tactical Precision Manufacturing TPM Sig P320/X5 Legion 3 Round Extension (1) As Low As (Save Up to 11%) $35.49
Image of Choate Tool Benelli M-4 +2 Extension Matte Choate Tool Benelli M-4 +2 Extension Matte (2) $64.80 (Save $3.37) $61.43
Image of Warne P-Mag 556 5-Round Extended Magazine Base Pad 5 models Warne P-Mag 556 5-Round Extended Magazine Base Pad As Low As (Save Up to 20%) $39.99
Image of Killer Innovations Velocity Glock 19 Magazine Extension 6 models Killer Innovations Velocity Glock 19 Magazine Extension (9) $52.49 (Save $2.50) $49.99 Best Rated
Image of Tactical Precision Manufacturing TPM Glock 10MM 3 Round Mag Extension 3 models Tactical Precision Manufacturing TPM Glock 10MM 3 Round Mag Extension (2) As Low As (Save Up to 11%) $35.49
Image of Choate Tool Remington 870/1100/1187/VersaMax Extension 7 models Choate Tool Remington 870/1100/1187/VersaMax Extension (9) As Low As (Save Up to 17%) $49.69 Best Rated
Image of Tyrant CNC Hellcat/Hellcat Pro +3 Magazine Extension 5 models Tyrant CNC Hellcat/Hellcat Pro +3 Magazine Extension (8) As Low As (Save Up to 13%) $34.99 Best Rated
Image of Lockstep Arms Glock 9/40 Base Plate 6 models Lockstep Arms Glock 9/40 Base Plate $43.49 (Save $3.49) $40.00 10% Bonus Bucks
Image of Tyrant CNC 5 Round Magazine Extension for Glock 6 models Tyrant CNC 5 Round Magazine Extension for Glock (2) As Low As (Save Up to 20%) $39.99 Clearance
Image of Choate Tool Winchester 1200/1300/Ranger 120 & Defender 10 Shot Magazine Extension Choate Tool Winchester 1200/1300/Ranger 120 & Defender 10 Shot Magazine Extension (2) $69.99
Image of Carlson's Choke Tubes Stoeger M3000/3500 Magazine Extension made-in-usa-flag 2 models Carlson's Choke Tubes Stoeger M3000/3500 Magazine Extension (4) As Low As (Save 15%) $73.53

368 Products in Magazine Extensions

reset
Sort by
Most Popular +
  • Most Popular
  • Price: Low to High
  • Price: High to Low
  • Avg. Rating: High to Low
  • Price Per Count: Low to High
  • Price Per Count: High to Low
  • Most Reviewed First
  • Savings % Off
  • Newest First
  • A to Z
  • Z to A
Show
60 +
  • 20
  • 60
  • 120
  • 240
Image of Strike Industries Extended Magazine Plate for Glock 17/Glock 22 Strike Industries Extended Magazine Plate for Glock 17/Glock 22 (23) $21.95 (Save $2.00) $19.95 Best Rated
Image of Nordic Components Beretta 1301 Tactical MXT Extension Kit Nordic Components Beretta 1301 Tactical MXT Extension Kit (15) $176.94 (Save 15%) $149.99 Best Rated
Image of FAB Defense OPMOD 4 Round Magazine Extension For Glock 43 FAB Defense OPMOD 4 Round Magazine Extension For Glock 43 (5) $23.99 (Save 21%) $18.99
Image of FAB Defense 4 Round Magazine extension for Glock 43 2 models FAB Defense 4 Round Magazine extension for Glock 43 (22) $21.99 (Save Up to 21%) $18.99
Image of FAB Defense MPS-12 Magazine Extension FAB Defense MPS-12 Magazine Extension (7) $29.99 (Save 13%) $25.99 12% Bonus Bucks
Image of Choate Tool Remington 870/1100/1187/Versamax 8 Shot Extension +3Rounds Choate Tool Remington 870/1100/1187/Versamax 8 Shot Extension +3Rounds (2) $55.15 (Save $1.16) $53.99
Image of TRYBE Defense +4/5 Magazine Extension Base Pad for Glock 19 5 models TRYBE Defense +4/5 Magazine Extension Base Pad for Glock 19 $49.99 (Save 30%) $34.99 Newly Added
Image of TRYBE Defense +4/5 Magazine Extension Base Pad for Glock 17 6 models TRYBE Defense +4/5 Magazine Extension Base Pad for Glock 17 (2) $49.99 (Save 30%) $34.99 Newly Added
Image of Choate Tool Benelli M-4 +2 Extension Matte Choate Tool Benelli M-4 +2 Extension Matte (2) $64.80 (Save $3.37) $61.43
Image of GG&G Beretta 1301 Shotgun Magazine Tube Extension With Barrel Clamp GG&G Beretta 1301 Shotgun Magazine Tube Extension With Barrel Clamp $126.90 (Save $11.11) $115.79
Image of Carlson's Choke Tubes Benelli M4 7- Shot Magazine Extension made-in-usa-flag Carlson's Choke Tubes Benelli M4 7- Shot Magazine Extension (16) $85.50 (Save 15%) $72.68 Best Rated
Image of Briley Benelli/Breda Semi-Auto 12 Gauge +4 Rounds Shotgun Magazine Extension Picatinny w/Sling Swivel 2 models Briley Benelli/Breda Semi-Auto 12 Gauge +4 Rounds Shotgun Magazine Extension Picatinny w/Sling Swivel $174.95 Free 2 Day Shipping
Image of Carlson's Choke Tubes Magazine Extension 8- Shot Remington 870/1100 12ga made-in-usa-flag Carlson's Choke Tubes Magazine Extension 8- Shot Remington 870/1100 12ga (11) $86.50 (Save 15%) $73.53 Best Rated
Image of Briley Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger + 8 Rounds Shotgun Magazine Extension w/Swivel 2 models Briley Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger + 8 Rounds Shotgun Magazine Extension w/Swivel As Low As $184.95 Free 2 Day Shipping
Image of F5 MFG Ruger 57 5.7x28mm +5 Rounds Magazine Extention 2 models F5 MFG Ruger 57 5.7x28mm +5 Rounds Magazine Extention (5) As Low As (Save Up to 31%) $51.99 On Sale
Image of Arc Division Magazine Floor Plate 2 models Arc Division Magazine Floor Plate (2) As Low As (Save Up to 20%) $42.99
Image of TANDEMKROSS Wingman Extended Magazine Base Pad, Ruger SR22 TANDEMKROSS Wingman Extended Magazine Base Pad, Ruger SR22 (12) $29.99 (Save 17%) $24.99
Image of FAB Defense Glock 42 4-Round Magazine Extension FAB Defense Glock 42 4-Round Magazine Extension (2) $25.99 (Save 12%) $22.99
Image of FCW Tristar Raptor and Cobra I and III by Kral Raptor Magazine Extention 3 models FCW Tristar Raptor and Cobra I and III by Kral Raptor Magazine Extention As Low As (Save Up to 22%) $77.99 Final Sale
Image of Lockstep Arms Glock 9/40 Base Plate 6 models Lockstep Arms Glock 9/40 Base Plate $43.49 (Save $3.49) $40.00 10% Bonus Bucks
Image of Tyrant CNC Sig Sauer P365 X-Macro +3 Magazine Extension 6 models Tyrant CNC Sig Sauer P365 X-Macro +3 Magazine Extension (9) $43.49 (Save Up to $2.00) $41.99 Best Rated
Image of Carlson's Choke Tubes Stoeger M3000/3500 Magazine Extension made-in-usa-flag 2 models Carlson's Choke Tubes Stoeger M3000/3500 Magazine Extension (4) As Low As (Save 15%) $73.53
Image of Lockstep Arms Glock 43X/48 Flat Base Plate 6 models Lockstep Arms Glock 43X/48 Flat Base Plate (2) As Low As (Save Up to 15%) $27.00
Image of Mec-Gar Plus2 Aluminum Polymer Floorplate Magazines Adapter Set 3 models Mec-Gar Plus2 Aluminum Polymer Floorplate Magazines Adapter Set (3) As Low As (Save Up to 31%) $23.02
Image of UTG Pro +5 Base Pad, Glock 17/34 3 models UTG Pro +5 Base Pad, Glock 17/34 As Low As $25.49
Image of GG&G Shot Magazine Tube Extension for Remington 870 12ga 2 models GG&G Shot Magazine Tube Extension for Remington 870 12ga (2) As Low As (Save Up to $11.00) $91.99
Image of Herrington Arms HA Sig P320 +5 Rounds Magazine Extension 2 models Herrington Arms HA Sig P320 +5 Rounds Magazine Extension As Low As $64.99
Image of Choate Tool Winchester SXP SX Pump Magazine Extension 4 models Choate Tool Winchester SXP SX Pump Magazine Extension (9) As Low As (Save Up to 14%) $49.33 Best Rated
Image of Lockstep Arms Glock 9/40 Magazine Base Plate +0-Round 6 models Lockstep Arms Glock 9/40 Magazine Base Plate +0-Round (1) $37.99 (Save 21%) $30.00
Image of Cross Armory Weighted Base Plate +0 Magazine Extension 8 models Cross Armory Weighted Base Plate +0 Magazine Extension As Low As (Save Up to 14%) $29.69
Image of Cross Armory +5 Magazine Extension 6 models Cross Armory +5 Magazine Extension (3) As Low As (Save Up to $2.00) $45.99
Image of Tyrant CNC Hellcat/Hellcat Pro +3 Magazine Extension 5 models Tyrant CNC Hellcat/Hellcat Pro +3 Magazine Extension (8) As Low As (Save Up to 13%) $34.99 Best Rated
Image of Strike Industries Aluminum Extended Magazine Plate for Glock 17/ Glock 22 3 models Strike Industries Aluminum Extended Magazine Plate for Glock 17/ Glock 22 (7) As Low As (Save Up to 24%) $38.99 Best Rated
Image of Killer Innovations Velocity Glock 19 Magazine Extension 6 models Killer Innovations Velocity Glock 19 Magazine Extension (9) $52.49 (Save $2.50) $49.99 Best Rated
Image of Carlson's Choke Tubes Beretta A-300 Xtrema/A-400 Xtreme Mag Ext made-in-usa-flag Carlson's Choke Tubes Beretta A-300 Xtrema/A-400 Xtreme Mag Ext $89.50 (Save 15%) $76.08
Image of Choate Tool Mossberg 835 Shot Magazine Extension Matte 4 models Choate Tool Mossberg 835 Shot Magazine Extension Matte (1) As Low As (Save Up to 10%) $49.39
Image of Bishop Defense Magazine Extension 3 models Bishop Defense Magazine Extension $59.99 (Save $4.00) $55.99 Up to 10% Coupon
Image of Black River Manufacturing Benelli M4 Extended Magazine Tube Black River Manufacturing Benelli M4 Extended Magazine Tube $249.99 (Save 16%) $209.99
Image of TANDEMKROSS Wingman Plus 5 Magazine Bumper For Taurus TX22, Pack of 2 TANDEMKROSS Wingman Plus 5 Magazine Bumper For Taurus TX22, Pack of 2, 5 (4) $34.99 (Save 29%) $24.99
Image of Pearce Grip Magazine Extension for Glock 29/20/21/40/41 Pearce Grip Magazine Extension for Glock 29/20/21/40/41 (5) $12.57 (Save 23%) $9.69 Clearance
Image of Volquartsen Firearms Ruger MK IV Pistol Magazine Base Pads made-in-usa-flag 2 models Volquartsen Firearms Ruger MK IV Pistol Magazine Base Pads (2) As Low As (Save 10%) $49.50
Image of Herrington Arms Glock 19/26 + 2 Rounds Magazine Extension 2 models Herrington Arms Glock 19/26 + 2 Rounds Magazine Extension (2) As Low As (Save Up to 12%) $39.99
Image of Strike Industries Glock Extended Magazine Floor Plate Strike Industries Glock Extended Magazine Floor Plate (14) $17.95 (Save $1.00) $16.95
Image of The Gun Company The Gun Co +5 Magazine Extension for Glock 19 The Gun Company The Gun Co +5 Magazine Extension for Glock 19 (1) $49.99 (Save 12%) $43.99
Image of Choate Tool Winchester 1200, 1300, Ranger 120 & Defender 8 Shot Extension Choate Tool Winchester 1200, 1300, Ranger 120 & Defender 8 Shot Extension (1) $55.15 (Save 10%) $49.39
Image of Wilson Combat Extension Tube for 12 Gauge Remington M870/1100/11-87 10 models Wilson Combat Extension Tube for 12 Gauge Remington M870/1100/11-87 (39) As Low As (Save Up to 23%) $43.00 Best Rated
Image of Choate Tool Stevens 320 Magazine Extension Matte 2 models Choate Tool Stevens 320 Magazine Extension Matte (11) $63.99 (Save Up to $6.00) $59.99
Image of Lockstep Arms Glock 43 Magazine Base Plate +0-Round 6 models Lockstep Arms Glock 43 Magazine Base Plate +0-Round $30.00 (Save 10%) $27.00
Image of Choate Tool Remington 870-10 Lightweight 10 Shot Extension Matte Choate Tool Remington 870-10 Lightweight 10 Shot Extension Matte (1) $62.50 (Save $2.51) $59.99
Image of Briley Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger + 8 Rounds Shotgun Magazine Extension w/o Swivel Briley Beretta Auto/Benelli Pump/Franchi 912 Variomax/Stoeger + 8 Rounds Shotgun Magazine Extension w/o Swivel $179.95
Image of Lancer Systems Benelli M1/M2 Magazine Extension 7 models Lancer Systems Benelli M1/M2 Magazine Extension (4) As Low As (Save 15%) $83.39
Image of Choate Tool Remington 870/1100/1187/Versamax 7 Shot Extension 12 Gauge+2 Rounds Choate Tool Remington 870/1100/1187/Versamax 7 Shot Extension 12 Gauge+2 Rounds (3) $62.99 $62.79
Image of Warne Glock 43X/48 9mm 2-Round Magazine Extension Warne Glock 43X/48 9mm 2-Round Magazine Extension $39.99 (Save 13%) $34.99
Image of Warne SIG Sauer P320 9mm Magazine Extension 10 models Warne SIG Sauer P320 9mm Magazine Extension (2) As Low As (Save Up to 20%) $34.99
Image of Choate Tool Beretta A-300-10 Shot Extension Blued Choate Tool Beretta A-300-10 Shot Extension Blued $71.99 (Save $2.00) $69.99
Image of Choate Tool Remington 9 Shot Lightweight Extension Choate Tool Remington 9 Shot Lightweight Extension $58.85 (Save 11%) $52.62 Clearance
Image of Carlson's Choke Tubes Benelli Shotgun Magazine Extension Assembly made-in-usa-flag Carlson's Choke Tubes Benelli Shotgun Magazine Extension Assembly (2) $89.50 (Save 15%) $76.08
Image of Choate Tool Remington 870/1100/1187/VersaMax Extension 7 models Choate Tool Remington 870/1100/1187/VersaMax Extension (9) As Low As (Save Up to 17%) $49.69 Best Rated
Image of Strike Industries SIG Sauer P320, 9mm, 5-Round Extended Magazine Plate 2 models Strike Industries SIG Sauer P320, 9mm, 5-Round Extended Magazine Plate (4) As Low As (Save Up to 23%) $41.99
Image of Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension 10 models Tactical Precision Manufacturing TPM Sig P365 XMacro 3 Round Extension (4) As Low As (Save Up to 24%) $30.36
reset
Show
60 +
  • 20
  • 60
  • 120
  • 240

Deals View All

Featured: Save on Gun Parts, Optics, & Accessories
Gifts for Grads
532 products Save 20% on a Wide Selection of Gear While supplies last!
603 products Come In & Grab 15% Off A Wide Variety Of Gear!! While supplies last!
1055 products Gear Up With 10% Off Tons of Amazing Gear While supplies last!

Filter by:

Unfortunately, the item(s) selected is out of stock. Please update your specifications to see more results.

Categories

reset

Brands

reset
Price
reset
From $
—
To $

    Made in USA

    reset

    Deals

    reset

    Customer Reviews

    Related Links

    Navigate to:

    Brands
    Compare (0)
    1 item has been added
    Add at least two items to compare