Centerfire Rifle Adapters

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We have the most complete line of centerfire rifle adapters for your host firearms available in the USA! Reasonable pricing and fast, low cost shipping. Our adapters are made from American steel by American workers on precision CNC machines in the United States to guarantee concentric to your host firearms barrel threads. From raw material to finishing, all work is done in house and we stand by our products.



Quantity Model- Manufacturer Product Image Item Name Price
84 AD-AR-004LH XCALIBER FIREARMS 9/16-24Left Hand to 1/2-28 RH w/ AR spacer Thread Adapter

9/16-24Left Hand to 1/2-28 RH w/ AR spacer Thread Adapter

9/16X24LH to 1/2X28 This adapter converts your 9/16-24LH threads to 1/2-28 Right Hand threads. Black Oxide finished, wrench flats included. Turned on a precision CNC turning center so the part is guaranteed concentric to your barrel threads. Beware that the thread adapter turns onto your existing barrel threads that are 9/16-24 with a LEFT hand threaded. This makes it possible to unscrew the...
$49.99

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61 AD-38-021 XCALIBER FIREARMS 9/16-24LH to 5/8-24RH Silencer Thread Adapter

9/16-24LH to 5/8-24RH Silencer Thread Adapter

This quality precision machined thread adapter allows you to use a silencer or muzzle device threaded 5/8-24 to fit 9/16-24LH(Left Hand) barrel threads. The adapter is threaded 9/16-24LH on in the inside (female threads) and has 5/8-24 threads on the outside (male). It is machined in one turning operation to guarantee concentricity to your barrel threads. Full engagement flats for easier removal...
$49.99

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63 AD-38-010 XCALIBER FIREARMS 9/16x28 to 5/8x24 Savage LRH adapter

9/16x28 to 5/8x24 Savage LRH adapter

This thread adapter is made for any barrel that is threaded 9/16X28TPI (right hand threads) such as Savage Long Range Hunter and any other barrel that is threaded to that specification. This allows the use of standard 5/8X24 7.62/.308 silencers to be used. Black Oxide finished and engraved.
$49.99

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24 AD-AR-003 XCALIBER FIREARMS 9mm AR Thread Adapter 1/2-36 to .578-28

9mm AR Thread Adapter 1/2-36 to .578-28

This adapter fits a threaded barrel that is 1/2-36 commonly used on 9mm ARs. This adapts to a .578-28 thread commonly used for 45acp Black Oxide finished, wrench flats included. Turned on a precision CNC turning center so the part is guaranteed concentric to your barrel threads. 9mm AR thread adapter
$49.99

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59 AD-09 XCALIBER FIREARMS M13.5X1LH to 1/2-28 Thread Adapter Silencer Adapter

M13.5X1LH to 1/2-28 Thread Adapter Silencer Adapter

This quality precision machined thread adapter allows you to use a silencer or muzzle device threaded 1/2-28 to fit M13.5X1LH barrel threads. The adapter is threaded M13.5X1LH on in the inside (female threads) and has 1/2-28 threads on the outside (male). It is machined in one turning operation to guarantee concentricity to your barrel threads. Black Oxide finished,and Engraved. Tens of thousands...
$49.99

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43 AD-38-028 XCALIBER FIREARMS M13x.75 to 5/8-24 Hell's Canyon Silencer Thread Adapter

M13x.75 to 5/8-24 Hell's Canyon Silencer Thread Adapter

This quality precision machined thread adapter allows you to use a silencer or muzzle device threaded 5/8-24 to fit M13x.75 barrel threads. The adapter is threaded M13x.75 on in the inside (female threads) and has 5/8-24 threads on the outside (male). It is machined in one turning operation to guarantee concentricity to your barrel threads. Full engagement flats for easier removal and...
$49.99

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80 AD-38-014 XCALIBER FIREARMS M13X1.25 to 5/8-24 Hell's Canyon Thread Adapter Silencer Adapter

M13X1.25 to 5/8-24 Hell's Canyon Thread Adapter Silencer Adapter

This quality precision machined thread adapter allows you to use a silencer or muzzle device threaded 5/8-24 to fit M13X1.25barrel threads. The adapter is threaded M13X1.25 on in the inside (female threads) and has 5/8-24 threads on the outside (male). It is machined in one turning operation to guarantee concentricity to your barrel threads. Full engagement flats for easier removal and...
$49.99

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18 AD-38-M14 XCALIBER FIREARMS M14x1L to 5/8-24 threaded silencer adapter

M14x1L to 5/8-24 threaded silencer adapter

This quality precision machined thread adapter allows you to use a silencer or muzzle device threaded 5/4-24 to fit M14x1LH barrel threads. The adapter is threaded M14X1LH on the inside (female threads) and has 5/4-24 threads on the outside (male). It is machined in one turning operation to guarantee concentricity to your barrel threads. Full engagement flats for easier removal and disassembly....
$49.99

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