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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 - Match Grade Drop-In Barrel - Glock 3745 GAP to 40 S&W with Extractor
    American Tactical - Match Grade Drop-In Barrel - Glock 3745 GAP to 40 S&W with Extractor
    Manufacture ID: ATIBG37CONV Drop-In Converts Glock 37 to .40 S&W. Features: - Drop-In Fit Barrel - Compatible With Lead Bullets - Cut Broach Rifling... Manufacture ID: ATIBG37CONV Drop-In Converts Glock 37 to .40 S&W. Features: - Drop-In Fit Barrel - Compatible With Lead Bullets - Cut Broach Rifling...
    $119.95 

  • 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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  • 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 

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

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

  • 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: 22LR Phoenix Conversion Kit, 22lr, 5" Barrel, Fits Hp22/hp22a Nickel Hp22bbln Product Type: Conv Kit Finish/Color: Nickel Fit: HP22/HP22A Caliber: 22LR
    $39.95 

  • 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: 22LR Phoenix Conversion Kit, 22lr, 5" Barrel, Fits Hp22/hp22a Blue Hp22bblb Product Type: Conv Kit Finish/Color: Blue Fit: HP22/HP22A Caliber: 22LR
    $39.95 

  • Iwi Tav0r X95 Conv Kit 300black Rh
    Iwi Tav0r X95 Conv Kit 300black 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 300win 26" Rh
    Dt Srs Conv Kit 300win 26" Rh
    Desert Tech Stealth Recon Scout A1 Caliber Conversion Kit. Includes: .300win Mag, 26" Stainless Steel, Hand Lapped, Threaded Precision Barrel With... Desert Tech Stealth Recon Scout A1 Caliber Conversion Kit. Includes: .300win Mag, 26" Stainless Steel, Hand Lapped, Threaded Precision Barrel With...
    $1,764.95 

  • 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 

  • Iwi Tav0r Sar Conv Kit 9mm 1-32rd
    Iwi Tav0r Sar Conv Kit 9mm 1-32rd
    Iwi Us, Inc Sar, Conversion Kit, 9mm, 17" Barrel, Black Finish, 32rd, 1 Magazine Tsk9 Product Type: Conv Kit Finish/Color: Black Fit: SAR... Iwi Us, Inc Sar, Conversion Kit, 9mm, 17" Barrel, Black Finish, 32rd, 1 Magazine Tsk9 Product Type: Conv Kit Finish/Color: Black Fit: SAR...
    $749.95 

  • Sig Sauer - Caliber X-Change Kit - P320 Carry Tacops, 9mm, XRAY Threaded, Black
    Sig Sauer - Caliber X-Change Kit - P320 Carry Tacops, 9mm, XRAY Threaded, Black
    Manufacture ID: CALX-320CA-9-TACOPS-TB Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact,... Manufacture ID: CALX-320CA-9-TACOPS-TB Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact,...
    $524.95 
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  • Sig Sauer - Caliber X-Change Kit - P320, 9mm Full Size, Black
    Sig Sauer - Caliber X-Change Kit - P320, 9mm Full Size, Black
    Manufacture ID: CALX-320F-9-B-RX Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or... Manufacture ID: CALX-320F-9-B-RX Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or...
    $502.95 
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  • Sig Sauer - Caliber X-Change Kit - P320 Compact, 9mm, RX, Black
    Sig Sauer - Caliber X-Change Kit - P320 Compact, 9mm, RX, Black
    Manufacture ID: CALX-320C-9-B-RX Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or... Manufacture ID: CALX-320C-9-B-RX Take full advantage of the P320 and P250 modular handgun systems, by changing caliber and size (Full, compact, or...
    $502.95 
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  • Sig Sauer - Caliber X-Change Kit - Sig Sauer P320 Sub-Compact, 9mm, 10 Rounds, Black
    Sig Sauer - Caliber X-Change Kit - Sig Sauer P320 Sub-Compact, 9mm, 10 Rounds, Black
    Manufacture ID: CALX-320SC-9-BSS-10 Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's... Manufacture ID: CALX-320SC-9-BSS-10 Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's...
    $317.95 
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  • Sig Sauer - Caliber X-Change Kit - Sig Sauer P320 Sub-Compact, 9mm, Black
    Sig Sauer - Caliber X-Change Kit - Sig Sauer P320 Sub-Compact, 9mm, Black
    Manufacture ID: CALX-320SC-9-BSS Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but... Manufacture ID: CALX-320SC-9-BSS Convert your P320 to 9mm SubCompact with this Caliber X-Change Kit. This is not compatible with .45 ACP P320's but...
    $334.95 
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  • Sig Sauer - Caliber X-Change Kit - P320 Carry, 9mm, Black
    Sig Sauer - Caliber X-Change Kit - P320 Carry, 9mm, Black
    Manufacture ID: CALX-320CA-9-BSS 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... Manufacture ID: CALX-320CA-9-BSS 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...
    $334.95 
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  • Sig Sauer - Caliber X-Change Kit - P320 Carry, .357Sig, Black
    Sig Sauer - Caliber X-Change Kit - P320 Carry, .357Sig, Black
    Manufacture ID: CALX-320CA-357-BSS 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... Manufacture ID: CALX-320CA-357-BSS 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...
    $334.95 
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  • Sig Sauer - Caliber X-Change Kit - P320 Carry, .40 S&W, Black
    Sig Sauer - Caliber X-Change Kit - P320 Carry, .40 S&W, Black
    Manufacture ID: CALX-320CA-40-BSS 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... Manufacture ID: CALX-320CA-40-BSS 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...
    $334.95 
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  • Sig Sauer - Caliber X-Change Kit - P320C, 9mm, 15 Rounds, Black
    Sig Sauer - Caliber X-Change Kit - P320C, 9mm, 15 Rounds, Black
    Manufacture ID: CALX-320C-9-BSS 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.... Manufacture ID: CALX-320C-9-BSS 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....
    $334.95 
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  • Adv Arms Conv Kit For Le20-21 G4/bag
    Adv Arms Conv Kit For Le20-21 G4/bag
    Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Glock 20/21 Gen 4, With Range Bag, Black Finish, 10rd, 1-10rd Magazine Aac20-21g4 Product... Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Glock 20/21 Gen 4, With Range Bag, Black Finish, 10rd, 1-10rd Magazine Aac20-21g4 Product...
    $240.95