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TVA Special
Sighting in at 300 yds
![Our Delapena Honing Machine allows us to make barrels with the ultimate roundness and circularity. While at the same time providing the correct surface finish. We can also make tapered bores for rifle barrels and shotgun barrels too.](https://static.wixstatic.com/media/de0bcd_1ce5b42b74404ca89dcd5dc17c723bc3~mv2.jpg/v1/fill/w_227,h_226,q_75/de0bcd_1ce5b42b74404ca89dcd5dc17c723bc3~mv2.jpg)
Honing Machine
Our Delapena Honing Machine allows us to make barrels with the ultimate roundness and circularity. While at the same time providing the correct surface finish. We can also make tapered bores for rifle barrels and shotgun barrels too.
![This is one of two air gauges we use for measuring both the bore and land diameters of rifle barrels.](https://static.wixstatic.com/media/de0bcd_815d7439a2eb4886ac42843bae274433~mv2.jpg/v1/fill/w_226,h_226,q_75/de0bcd_815d7439a2eb4886ac42843bae274433~mv2.jpg)
Air Gauge
This is one of two air gauges we use for measuring both the bore and land diameters of rifle barrels.
![This group was shot at 900 yards at Bisley. This barrel was the first TVA Special barrel, developed to Thames Valley Arms specifications, we chambered ourselves in-house. The last shot was called as pulled high before it appeared on screen.](https://static.wixstatic.com/media/de0bcd_74aef8bb7a4240118598095f520fcb48~mv2.jpg/v1/fill/w_227,h_226,q_75/de0bcd_74aef8bb7a4240118598095f520fcb48~mv2.jpg)
TVA Special
This group was shot at 900 yards at Bisley. This barrel was the first TVA Special barrel, developed to Thames Valley Arms specifications, we chambered ourselves in-house. The last shot was called as pulled high before it appeared on screen.
![A batch of Merlin ECM barrels drilled and reamed and ready for rifling](https://static.wixstatic.com/media/de0bcd_642150cebba0456ca49ecbe9566c0b7c~mv2.jpg/v1/fill/w_227,h_226,q_75/de0bcd_642150cebba0456ca49ecbe9566c0b7c~mv2.jpg)
Merlin ECM Barrels
A batch of Merlin ECM barrels drilled and reamed and ready for rifling
![Managing chip size is important. Too big and you risk scoring the bore, too small and you will work harden the material and dull the tool prematurely](https://static.wixstatic.com/media/de0bcd_26fbbf9c03f54ead8db7d065dd108d40~mv2.jpg/v1/fill/w_226,h_226,q_75/de0bcd_26fbbf9c03f54ead8db7d065dd108d40~mv2.jpg)
Gun-drill chips
Managing chip size is important. Too big and you risk scoring the bore, too small and you will work harden the material and dull the tool prematurely
![Pendragon Galahad Buttoned Barrels](https://static.wixstatic.com/media/de0bcd_a080d0482f4e4ce0b287f98a6ed40cac~mv2.jpg/v1/fill/w_227,h_226,q_75/de0bcd_a080d0482f4e4ce0b287f98a6ed40cac~mv2.jpg)
Galahad buttoned barrels
Pendragon Galahad Buttoned Barrels
![Pendragon Galahad Buttoned Barrel](https://static.wixstatic.com/media/de0bcd_910b427e73eb4f6db125064c1fdec227~mv2.jpg/v1/fill/w_227,h_226,q_75/de0bcd_910b427e73eb4f6db125064c1fdec227~mv2.jpg)
Galahad buttoned barrel
Pendragon Galahad Buttoned Barrel
![5 Shot 100yd Group - Galahad Buttoned Barrel. Howa actioned hunting rifle](https://static.wixstatic.com/media/de0bcd_42e2c6cca2c546f883dc564877cceaf2~mv2.jpeg/v1/fill/w_226,h_226,q_75/de0bcd_42e2c6cca2c546f883dc564877cceaf2~mv2.jpeg)
5 Shot 100yd Group - Galahad Buttoned Barrel
Barrel fitted by Brock & Norris on Howa actioned hunting rifle
![4 Round 200yd Group Pendragon Galahad buttoned barrel fitted to Howa actioned Hunting Rifle by Brock & Norris](https://static.wixstatic.com/media/de0bcd_a7edacb45c4045e191824063246f7e43~mv2.jpeg/v1/fill/w_227,h_226,q_75/de0bcd_a7edacb45c4045e191824063246f7e43~mv2.jpeg)
4 Round 200yd Group Galahad Buttoned Barrel
4 Round 200yd Group barrel fitted to Howa actioned Hunting Rifle by Brock & Norris
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