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Home > Firearm Accessories > Conversion Kits

Conversion Kits

Using a conversion kit for your firearms can save you from investing in another weapon. For example, using a kit to convert your 223 Remington AR-15 to a 22 Long Rifle will allow you to use relatively inexpensive ammunition for target practice with the same gun. We also offer kits for handguns to switch out different calibers. Search through our selection of top brands including CMMG, Sig Sauer, Doubletap Defense, FNH USA and more.

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CMMG, Inc 10 Round Lancer Magazine .458 SOCOM, 10 Rounds, Lancer Md: 48AFC44CMMG, Inc 10 Round Lancer Magazine .458 SOCOM, 10 Rounds, Lancer Md: 48AFC44
SKU: 11169533, Manufacturer: CMMG, Inc, Mfg Number: 48AFC44

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In Stock: 125
Price: $26.33
Cpd Magazine AR15 9MM 32Rd Colt Style Blackened StainlessCpd Magazine AR15 9MM 32Rd Colt Style Blackened Stainless
SKU: 11172680, Manufacturer: C Products Defense, Mfg Number: 3209041178CPD

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In Stock: 133
Price: $18.69
CMMG, Inc ARC-22 AR Conversion Kit Stainless Steel, 3-25 Round Magazines 22BA651CMMG, Inc ARC-22 AR Conversion Kit Stainless Steel, 3-25 Round Magazines 22BA651
SKU: 60130, Manufacturer: CMMG, Inc, Mfg Number: 22BA651
FREE SHIPPING
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In Stock: 326
Price: $208.36
30Rd Magazine 5.56X45, FDE30Rd Magazine 5.56X45, FDE
SKU: 11169639, Manufacturer: Amend2, Mfg Number: AR1530FDE

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In Stock: 783
Price: $9.95
40485 - M&P15 22 Cal 25Rd Mag40485 - M&P15 22 Cal 25Rd Mag
SKU: 11147159, Manufacturer: Smith & Wesson, Mfg Number: 199220000

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In Stock: 83
Price: $21.89
9mm  MK9, ASC, 32 Round Magazine, Black  Md: ASC-10-9mm-BLK9mm MK9, ASC, 32 Round Magazine, Black Md: ASC-10-9mm-BLK
SKU: 11173335, Manufacturer: CMMG, Inc, Mfg Number: ASC-10-9mm-BLK

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In Stock: 1
Price: $24.63
Adaptive Tactical EX Stock & Forend 870  Black 02000Adaptive Tactical EX Stock & Forend 870 Black 02000
SKU: 11087556, Manufacturer: Adaptive Tactical, Mfg Number: 02000
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 8
Price: $95.80
Adaptive Tactical Shotgun Conversion Kit Sidewinder Venom 12 Gauge 2.75Adaptive Tactical Shotgun Conversion Kit Sidewinder Venom 12 Gauge 2.75" 10 Round MultiCam 03023
SKU: 11058939, Manufacturer: Adaptive Tactical, Mfg Number: 03023
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In Stock: 1
Price: $299.77
Adaptive Tactical Venom Kit Mossberg 500 10-Round Box Magazine 12 Gauge Black 04900Adaptive Tactical Venom Kit Mossberg 500 10-Round Box Magazine 12 Gauge Black 04900
SKU: 11087822, Manufacturer: Adaptive Tactical, Mfg Number: 04900
FREE SHIPPING
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In Stock: 2
Price: $222.33
Adaptive Tactical Venom Rotary Conversion Kit M4 Stock 12 Gauge 2.75Adaptive Tactical Venom Rotary Conversion Kit M4 Stock 12 Gauge 2.75" 10 Round Mossberg 590 03900
SKU: 11057311, Manufacturer: Adaptive Tactical, Mfg Number: 03900
FREE SHIPPING
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In Stock: 3
Price: $339.99
ADTAC Venom-Se Kit W/M4 Stock MBERG 590 10-Rd Box BlackADTAC Venom-Se Kit W/M4 Stock MBERG 590 10-Rd Box Black
SKU: 11165205, Manufacturer: Adaptive Tactical, Mfg Number: AT-04900

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In Stock: 2
Price: $226.04
AR .308 Caliber Magazine 30 Rounds, Black Polymer Md: DPM-A2AR .308 Caliber Magazine 30 Rounds, Black Polymer Md: DPM-A2
SKU: 11158754, Manufacturer: ProMag, Mfg Number: DPM-A2

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In Stock: 9
Price: $13.96
AR .308 Caliber Magazine 40 Rounds, Black Polymer Md: DPM-A4AR .308 Caliber Magazine 40 Rounds, Black Polymer Md: DPM-A4
SKU: 11158753, Manufacturer: ProMag, Mfg Number: DPM-A4

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In Stock: 10
Price: $19.43
AR-15 Magazine Mdi Magp18 -Rb Magpul Magazine Bucks&bonesAR-15 Magazine Mdi Magp18 -Rb Magpul Magazine Bucks&bones
SKU: 11158873, Manufacturer: Matrix Diversified Industries, Mfg Number: MAGP18RB
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 50
Price: $23.34
AR-15 Mdi Magp52 -gh Magpul Magazine GhillieAR-15 Mdi Magp52 -gh Magpul Magazine Ghillie
SKU: 11158894, Manufacturer: Matrix Diversified Industries, Mfg Number: MAG52GH
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 50
Price: $23.34
AR15/M16 .223/5.56x45mm, 20 Rounds, Black Polymer  Md: COL-A9BAR15/M16 .223/5.56x45mm, 20 Rounds, Black Polymer Md: COL-A9B
SKU: 11156434, Manufacturer: ProMag, Mfg Number: COL-A9B

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In Stock: 50
Price: $11.35
ASC Mag 20 Round Body 223 Rem 10 Round Black AR-15 223-20Rd-L-10Rd-SSASC Mag 20 Round Body 223 Rem 10 Round Black AR-15 223-20Rd-L-10Rd-SS
SKU: 11134072, Manufacturer: Ammo Storage Components, Mfg Number: 223-20RD-L-10RD-SS
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 148
Price: $18.45
Blade Tech Industries Revolution Combo AR-15 MagazBlade Tech Industries Revolution Combo AR-15 Magaz
SKU: 11174026, Manufacturer: Blade-Tech, Mfg Number: AMMX0026ARCMBOFAERHTL
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 31
Price: $50.99
Blade Tech Industries Revolution Combo AR-15 MagazBlade Tech Industries Revolution Combo AR-15 Magaz
SKU: 11174045, Manufacturer: Blade-Tech, Mfg Number: AMMX0026ARCMBOFAARHTL
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 14
Price: $50.99
Blade Tech Industries Revolution Combo AR-15 MagazBlade Tech Industries Revolution Combo AR-15 Magaz
SKU: 11174046, Manufacturer: Blade-Tech, Mfg Number: AMMX0026ARCMBOFABRHTL
FLAT RATE TO THE LOWER 48, NO MATTER THE QUANTITY
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In Stock: 25
Price: $50.99
Brownells Semi-Auto 204 Ruger/223 Rem/5.56 NATO/300 AAC 20-Round Magazine, Gray Md: 078000160Brownells Semi-Auto 204 Ruger/223 Rem/5.56 NATO/300 AAC 20-Round Magazine, Gray Md: 078000160
SKU: 11142467, Manufacturer: Cascade Industry, Mfg Number: 078000160

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In Stock: 2
Price: $11.90
Bushmaster AR-15 5-Round 450 Bushmaster Magazine Md: 93309Bushmaster AR-15 5-Round 450 Bushmaster Magazine Md: 93309
SKU: 11175456, Manufacturer: Bushmaster Firearms, Mfg Number: 93309

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In Stock: 50
Price: $28.11
Bushmaster Magazine AR15 Style .223 Cal. 20 Round Mil-SpecBushmaster Magazine AR15 Style .223 Cal. 20 Round Mil-Spec
SKU: 11162977, Manufacturer: Bushmaster Firearms, Mfg Number: 93304

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In Stock: 108
Price: $24.45
Bushmaster Magazine AR15 Style .223 Cal. 30 Round Mil-SpecBushmaster Magazine AR15 Style .223 Cal. 30 Round Mil-Spec
SKU: 11162582, Manufacturer: Bushmaster Firearms, Mfg Number: 93306

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In Stock: 29
Price: $19.90
CAA Magazine AR-15 5.56X45 30Rd Black PolymerCAA Magazine AR-15 5.56X45 30Rd Black Polymer
SKU: 11167810, Manufacturer: Command Arms Accessories, Mfg Number: MAG

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In Stock: 126
Price: $13.49
CAA Magazine Countdown AR-15 5.56X45 30Rd Black PolymerCAA Magazine Countdown AR-15 5.56X45 30Rd Black Polymer
SKU: 11162109, Manufacturer: Command Arms Accessories, Mfg Number: CDMAG

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In Stock: 18
Price: $26.99
Caliber X-Change Kit MCX, 5.56mm NATO, 16Caliber X-Change Kit MCX, 5.56mm NATO, 16" Barrel, 30 Rounds Md: CALX-MCX-16B-556
SKU: 11129432, Manufacturer: SigTac, Mfg Number: CALX-MCX-16B-556
FREE SHIPPING
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In Stock: 1
Price: $517.50
CMMG AR Conversion Kit .22LR 25-ShotCMMG AR Conversion Kit .22LR 25-Shot
SKU: 11171688, Manufacturer: CMMG, Inc, Mfg Number: 22BA6E1

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In Stock: 23
Price: $177.43
CMMG Magazine AR-15 MK9 9MM 32-ROUNDS Black Steel By ASCCMMG Magazine AR-15 MK9 9MM 32-ROUNDS Black Steel By ASC
SKU: 11162986, Manufacturer: CMMG, Inc, Mfg Number: AFC329MMBLK

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In Stock: 41
Price: $24.45
CMMG Magazine MKW15 .458 SOCOM 10Rd Black Polymer By LancerCMMG Magazine MKW15 .458 SOCOM 10Rd Black Polymer By Lancer
SKU: 11171696, Manufacturer: CMMG, Inc, Mfg Number: 48AFC44

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In Stock: 17
Price: $25.67
CMMG, Inc ARC-22 AR Conversion Kit 1-25 Round Magazine 22BA6FDCMMG, Inc ARC-22 AR Conversion Kit 1-25 Round Magazine 22BA6FD
SKU: 54872, Manufacturer: CMMG, Inc, Mfg Number: 22BA6FD

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In Stock: 2
Price: $173.60
CMMG, Inc ARC-22 AR Conversion Kit Stainless Steel, 1-26 Round Magazine 22BA6E1CMMG, Inc ARC-22 AR Conversion Kit Stainless Steel, 1-26 Round Magazine 22BA6E1
SKU: 55287, Manufacturer: CMMG, Inc, Mfg Number: 22BA6E1
FREE SHIPPING
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In Stock: 37
Price: $178.02
Cpd Magazine AR15 5.56X45 30Rd Blackened Stainless SteelCpd Magazine AR15 5.56X45 30Rd Blackened Stainless Steel
SKU: 11162283, Manufacturer: C Products Defense, Mfg Number: 3023041178CPD

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In Stock: 363
Price: $14.23
Cpd Magazine AR15 5.56X45 5Rd Blackened Stainless SteelCpd Magazine AR15 5.56X45 5Rd Blackened Stainless Steel
SKU: 11163307, Manufacturer: C Products Defense, Mfg Number: 5X23041188CPD

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In Stock: 80
Price: $14.23
Cpd Magazine AR15 6.5 Grendel 5Rd Blackened Stainless SteelCpd Magazine AR15 6.5 Grendel 5Rd Blackened Stainless Steel
SKU: 11174577, Manufacturer: C Products Defense, Mfg Number: 5X65041186CPD

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In Stock: 27
Price: $14.67
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