The Barrel:

Our preferred choice for quality and accuracy, are Bartlein and UK made Border Barrels from Sassen Engineering. But of course we can supply stainless steel and chrome-moly barrels from a manufacturer of your choice if you would prefer it. Why not make your rifle stand out and take advantage of our in house barrel fluting service. A fluted barrel really makes a difference to the appearance.

We commonly use barrel lenghs from 16" to 32" with twist rates from 1:6.5 through to 1 :18 depending on the weight of the bullet being used and intended purpose of the rifle.

We carry a popular range of chamberings, for example .223, .243 etc. But all calibres can be sourced on request. All chambering work is carried out in house using Manson Reamers, the best reamers money can buy. Using Manson reamers in conjunction with our through barrel pressured oil flushing system produces the best possible finish to the chamber.

The Action:

If you are using a donar action then we would suggest that you have the action trued. Please see our action truing page HERE.

If you require a complete custom rifle build then we can supply actions from - Borden, Stiller, Mausingfield and Defiance Machine Tool.

The Trigger:

We can supply custom triggers from most manufacturers including Timney triggers, Jewell triggers and Cadex triggers etc. We can also carry out trigger tuning on your standard trigger if you wish. We can usually regulate a standard Sako or Tikka down to a nice safe let off level giving a crisp clean trigger release.

The Stock:

We can supply stocks from various manufacturers such as - Bell and Carlson, Manners, Robertsons and Mcmillan.


Our semi custom and full custom rifles will usually be proofed by The London Proof House. We usually visit the proof house in person. Although this does add to the price of the rifle, it does eliminate the chances of damage whilst in transit.

Please note: All builds are subject to a 50% down payment, being paid at the time your order is placed. This is non refundable.

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Here at J.R. Firearms we will only build custom rifles based on top quality components. Whether it's a semi custom build based on a Remmington, Howa, Tika or Sako or a complete one off build you can be assured only top quality components will be used. All of the gunsmith work carried out on our semi or complete rifle builds including barrel fluting is done in house.

Custom Rifle - Builders - Accuracy Is Our Aim!!

Bedfordshire, Buckinghamshire, Hertfordshire, Northamptonshire, Milton Keynes, Gunsmith services, gunsmithing, trigger tuning, muzzle screw cutting, threading, barrel chambering, barrel shortening, barrel crowning, AR 15, Remington 700, Howa 1500, Sako, Tikka, CZ 452, ruger 10-22, custom action blue printing, sound moderators, mcmillan stocks, bell and carlson stocks, manners stocks, trigger spring upgrade, tactical rifle, stalking rifle, rifle bedding, lathe concentric muzzle threading, fluting service, timney trigger, jewel trigger, barreling, shilen barrels, lothar walther barrel, fluted barrels, bergara barrel, bartlein barrel, armalon barrel

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