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Conversion Kits

Gun Conversion Kits For Sale Online

We offer a variety of high quality Conversion Kits. Featuring specialty items like Conversion Kits for Glocks, AR22 Conversion Kits, and the Best Conversion Kits for Sale. Manufacturing brands include CMMG, Rock Armory Island, Tactical Solutions, SigTac, and more. MDS Optics has some of the best gun Conversion Kits for Guns online.

  • American Tactical - DropInConvBbl forG3745GAPto40S&WwExtrct
    American Tactical - DropInConvBbl forG3745GAPto40S&WwExtrct
    Drop-In Converts Glock 37 to .40 S&W. Features: - Drop-In Fit Barrel - Compatible With Lead Bullets - Cut Broach Rifling with Precision Final Hone... Drop-In Converts Glock 37 to .40 S&W. Features: - Drop-In Fit Barrel - Compatible With Lead Bullets - Cut Broach Rifling with Precision Final Hone...
    $106.95 
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  • Rock Island Armory - REV22 High Velocity Conversion Kit - Glock 19
    Rock Island Armory - REV22 High Velocity Conversion Kit - Glock 19
    Manufacture ID: 58019 Glock 19 fans can now have the power of the flamethrowing 22TCMR cartridge by simply swapping out the complete top-end with the... Manufacture ID: 58019 Glock 19 fans can now have the power of the flamethrowing 22TCMR cartridge by simply swapping out the complete top-end with the...
    $399.95 
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  • Stag Left Hand 22lr Conv.kit 1-25rd
    Stag Left Hand 22lr Conv.kit 1-25rd
    Stag Arms Llc Conversion Kit, 22lr, Left Hand, Fits Ar Rifles, Black, 25rd, 1 Magazine Sak22l Product Type: Conv Kit Finish/Color: Blk Fit: AR Rifles... Stag Arms Llc Conversion Kit, 22lr, Left Hand, Fits Ar Rifles, Black, 25rd, 1 Magazine Sak22l Product Type: Conv Kit Finish/Color: Blk Fit: AR Rifles...
    $210.95 
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  • Iwi Tav0r X95 Conv Kit 9mm 1-32rd
    Iwi Tav0r X95 Conv Kit 9mm 1-32rd
    Iwi Us, Inc X95 Conversion Kit, 9mm, 17" Barrel, Black Finish, 1 Mag, 32rd Xk9 Product Type: Conv Kit Finish/Color: Black Fit: X95 Accessories: 1 Mag... Iwi Us, Inc X95 Conversion Kit, 9mm, 17" Barrel, Black Finish, 1 Mag, 32rd Xk9 Product Type: Conv Kit Finish/Color: Black Fit: X95 Accessories: 1 Mag...
    $749.95 
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  • Cmmg 22lr Ar Conv Kit Ss 25rd Evo
    Cmmg 22lr Ar Conv Kit Ss 25rd Evo
    Cmmg Ar Conversion Kit Bravo, 22lr, Conversion Bolt And Magazine, 25rd, Stainless Finish 22ba6e1 Model: Bravo Product Type: Conv Kit Finish/Color:... Cmmg Ar Conversion Kit Bravo, 22lr, Conversion Bolt And Magazine, 25rd, Stainless Finish 22ba6e1 Model: Bravo Product Type: Conv Kit Finish/Color:...
    $165.95 

  • Cmmg 22lr Ar Conv Kit 3-10rd Bravo
    Cmmg 22lr Ar Conv Kit 3-10rd Bravo
    Cmmg Ar Conversion Kit, 22lr, Stainless Steel Bolt Group, 3 Magazines, 10rd 22ba6ae Product Type: Conv Kit Accessories: SS BCG and 3-10 round Mags... Cmmg Ar Conversion Kit, 22lr, Stainless Steel Bolt Group, 3 Magazines, 10rd 22ba6ae Product Type: Conv Kit Accessories: SS BCG and 3-10 round Mags...
    $188.95 

  • Cmmg 22lr Ar Conv Kit 3-25rd Bravo
    Cmmg 22lr Ar Conv Kit 3-25rd Bravo
    Cmmg Ar Conversion Kit, 22lr, Stainless Steel Bolt Group, 3 Magazines, 25rd 22ba651 Product Type: Conv Kit Accessories: SS BCG and 3-25 round Mags... Cmmg Ar Conversion Kit, 22lr, Stainless Steel Bolt Group, 3 Magazines, 25rd 22ba651 Product Type: Conv Kit Accessories: SS BCG and 3-25 round Mags...
    $188.95 

  • Cmmg 22lr Ar Conv Kit 25rd
    Cmmg 22lr Ar Conv Kit 25rd
    Cmmg Ar Conversion Kit, 22lr, 25rd 22ba64e Product Type: Conv Kit Caliber: 22 LR Cmmg Ar Conversion Kit, 22lr, 25rd 22ba64e Product Type: Conv Kit Caliber: 22 LR
     $199.76$221.95 -10% 

  • Cmmg 22lr Ar Conv Kit 10rd Bravo
    Cmmg 22lr Ar Conv Kit 10rd Bravo
    Cmmg Conversion Kit, Bravo, Fits Ar Rifles, 22lr, 10rd 22ba62f Model: Bravo Product Type: Conv Kit Fit: AR Rifles Caliber: 22 LR Cmmg Conversion Kit, Bravo, Fits Ar Rifles, 22lr, 10rd 22ba62f Model: Bravo Product Type: Conv Kit Fit: AR Rifles Caliber: 22 LR
    $165.95 

  • Dt Hti Conv Kit 50bmg
    Dt Hti Conv Kit 50bmg
    Desert Tech Hard Target Interdiction Caliber Conversion Kit, Includes, .50bmg, 29" Stainless Steel, Hand Lapped, Threaded, Fluted Precision Barrel W/... Desert Tech Hard Target Interdiction Caliber Conversion Kit, Includes, .50bmg, 29" Stainless Steel, Hand Lapped, Threaded, Fluted Precision Barrel W/...
    $2,450.95 

  • Dt Hti Conv Kit 375ct
    Dt Hti Conv Kit 375ct
    Desert Tech Conversion Kit, Includes 29" Match Grade Barrel, Bolt, Bolt Stop, And Magazine, 375ct, 5rd, Black Finish Dt-hti-ck-a Product Type: Conv... Desert Tech Conversion Kit, Includes 29" Match Grade Barrel, Bolt, Bolt Stop, And Magazine, 375ct, 5rd, Black Finish Dt-hti-ck-a Product Type: Conv...
    $2,352.95 

  • Ruger Lc380 Conv Kit 380 To 9mm
    Ruger Lc380 Conv Kit 380 To 9mm
    Ruger 9mm Conversion Kit, Black Finish, 1 Mag, Fits Lc380, Fixed Sights, 7rd 90499 Model: 9MM Kit Product Type: Conv Kit Finish/Color: Black Fit:... Ruger 9mm Conversion Kit, Black Finish, 1 Mag, Fits Lc380, Fixed Sights, 7rd 90499 Model: 9MM Kit Product Type: Conv Kit Finish/Color: Black Fit:...
    $272.95 
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  • Phoenix Hp22/hp22a Conv Kit Nik
    Phoenix Hp22/hp22a Conv Kit Nik
    Phoenix Conversion Kit, 22lr, 5" Barrel, Fits Hp22/hp22a Nickel Hp22bbln Product Type: Conv Kit Finish/Color: Nickel Fit: HP22/HP22A Caliber: 22 LR Phoenix Conversion Kit, 22lr, 5" Barrel, Fits Hp22/hp22a Nickel Hp22bbln Product Type: Conv Kit Finish/Color: Nickel Fit: HP22/HP22A Caliber: 22 LR
    $42.95 

  • Phoenix Hp22/hp22a Conv Kit Bl
    Phoenix Hp22/hp22a Conv Kit Bl
    Phoenix Conversion Kit, 22lr, 5" Barrel, Fits Hp22/hp22a Blue Hp22bblb Product Type: Conv Kit Finish/Color: Blue Fit: HP22/HP22A Caliber: 22 LR Phoenix Conversion Kit, 22lr, 5" Barrel, Fits Hp22/hp22a Blue Hp22bblb Product Type: Conv Kit Finish/Color: Blue Fit: HP22/HP22A Caliber: 22 LR
    $42.95 

  • Iwi Tav0r X95 Conv Kit 300blk Rh
    Iwi Tav0r X95 Conv Kit 300blk Rh
    Iwi Us, Inc X95 Conversion Kit, 300 Blackout, 16.5" Barrel, Black Finish, 1 Mag, 30rd Xk300r Product Type: Conv Kit Finish/Color: Black Fit: X95... Iwi Us, Inc X95 Conversion Kit, 300 Blackout, 16.5" Barrel, Black Finish, 1 Mag, 30rd Xk300r Product Type: Conv Kit Finish/Color: Black Fit: X95...
    $749.95 

  • Dt Srs Conv Kit 6.5cm 26" Rh
    Dt Srs Conv Kit 6.5cm 26" Rh
    Desert Tech Stealth Recon Scout A1 Caliber Conversion Kit. Includes: 6.5 Creedmoor, 26" Stainless Steel, Hand Lapped, Threaded Precision Barrel With... Desert Tech Stealth Recon Scout A1 Caliber Conversion Kit. Includes: 6.5 Creedmoor, 26" Stainless Steel, Hand Lapped, Threaded Precision Barrel With...
    $1,568.95 

  • Dt Srs Conv Kit 308win 16" Rh
    Dt Srs Conv Kit 308win 16" Rh
    Desert Tech Stealth Recon Scout A1 Covert Caliber Conversion Kit Includes, .308win, 16" Stainless Steel, Hand Lapped, Threaded Precision Barrel With... Desert Tech Stealth Recon Scout A1 Covert Caliber Conversion Kit Includes, .308win, 16" Stainless Steel, Hand Lapped, Threaded Precision Barrel With...
    $1,568.95 

  • Dt Srs Conv Kit 338lap 18" Rh
    Dt Srs Conv Kit 338lap 18" Rh
    Desert Tech Stealth Recon Scout A1 Caliber Conversion Kit, Includes, .338lapua Mag, 18" Stainless Steel, Hand Lapped, Threaded Precision Barrel With... Desert Tech Stealth Recon Scout A1 Caliber Conversion Kit, Includes, .338lapua Mag, 18" Stainless Steel, Hand Lapped, Threaded Precision Barrel With...
    $1,911.95 

  • Sig Sauer - CALX KIT P320CRY TACOPS9mmXRAY THRD BLK
    Sig Sauer - CALX KIT P320CRY TACOPS9mmXRAY THRD BLK
    Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or subcompact) in seconds without... Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or subcompact) in seconds without...
    $527.95 
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  • Sig Sauer - CALIBER X-CHANGE KIT,P320 FULL,9MM,RX,BLK
    Sig Sauer - CALIBER X-CHANGE KIT,P320 FULL,9MM,RX,BLK
    Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or subcompact) in seconds without... Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or subcompact) in seconds without...
  • Sig Sauer - CALIBERX-CHANGE KIT,P320 COMP,9MM,RX,BLK
    Sig Sauer - CALIBERX-CHANGE KIT,P320 COMP,9MM,RX,BLK
    Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or subcompact) in seconds without... Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or subcompact) in seconds without...
    $505.95 
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  • Sig Sauer - CalxKit, P320 Sub-Compact, 9MM, BLK, 10RD
    Sig Sauer - CalxKit, P320 Sub-Compact, 9MM, BLK, 10RD
    Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but is compatible with all 9mm, .40... Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but is compatible with all 9mm, .40...
    $321.95 
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  • Sig Sauer - CalxKit, P320 Sub-Compact, 9MM, BLK
    Sig Sauer - CalxKit, P320 Sub-Compact, 9MM, BLK
    Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but is compatible with all 9mm, .40... Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but is compatible with all 9mm, .40...
    $338.95 
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  • Sig Sauer - CalxKit, P320 Carry, 9MM, BLK
    Sig Sauer - CalxKit, P320 Carry, 9MM, BLK
    The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a full size .357 Sig. It is not compatible with .45... The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a full size .357 Sig. It is not compatible with .45...
  • Sig Sauer - CalxKit, P320 Carry, .357Sig, BLK
    Sig Sauer - CalxKit, P320 Carry, .357Sig, BLK
    The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a full size .357 Sig. It is not compatible with .45... The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a full size .357 Sig. It is not compatible with .45...
    $338.95 
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  • Sig Sauer - CalxKit, P320 Carry, .40S&W, BLK
    Sig Sauer - CalxKit, P320 Carry, .40S&W, BLK
    The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a full size .357 Sig. It is not compatible with .45... The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a full size .357 Sig. It is not compatible with .45...
    $338.95 
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  • Sig Sauer - Cal X-changeKit P320C 9mm Blk 15rd
    Sig Sauer - Cal X-changeKit P320C 9mm Blk 15rd
    The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a compact size 9mm. It is not compatible with .45... The Caliber X-Change Kit allows you to convert any P320 chambered in 9mm, .40 S&W, or .357 Sig to a compact size 9mm. It is not compatible with .45...
  • Adv Arms Conv Kit Xd940-4 W/bag
    Adv Arms Conv Kit Xd940-4 W/bag
    Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Springfield Armory Xd 9/40, Non-xdm Frames Only, Does Not Fit 3" Sub-compact, With Range Bag,... Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Springfield Armory Xd 9/40, Non-xdm Frames Only, Does Not Fit 3" Sub-compact, With Range Bag,...
    $257.95