TLD Muzzle Mounted Moderator
- By Pete Moore
- 0 Comments
- Last updated: 16/12/2016
Thomas Low Defence as a company concentrates mainly on pyrotechnics an training for the police and military, so i really of no concern to us. However, they also make rather distinctive sound moderators for the civilian market too with a carbon fibre outer casing. You might have seen their SR 110, 150, 200 & 250 series of reflex (over-barrel) designs over the last year. What I have here however is their latest SRX which is muzzle mounted.
Comparing the SR to the SRX shows a number of differences – the former is strippable and uses a baffle stack up ront with a number of removable, cup-shaped baffles. The rear has an inner tube with a carbon fibre outer both acting as the wall of the expansion chamber. The latter is significantly different though, using the same carbo fibre with aluminium front an rear caps.
The SRX is a fixed design (not strippable) and mad from high grade stainless steel, aluminium alloys an carbon fibre. Inside are nine, stainless baffles with a raised cone in the centre (facing the muzzle) with the bullet aperture in the middle. These stack closely together and as you can see in the schematic allow gases to vent into a smaller compartment around each baffle. At the rear is a small expansion chamber Unlike the SR series the carbon fibre wrap of the SRX is more a protective sleeve that fits over the baffle tack, doubtless it provides strength but is not a main wall component as in the SR reflex Visually it looks different from the run of the mill plain black tube of most moddies. The rear and front caps have slots machine around their circumference and their black finis contrasts nicely with the grey of the carbon fibre.
Weight and size these days are important considerations, the SRX is is 6 x 2” and weighs 15oz, s comes in under 500grams, which many now see as the maximum weight for a moddy. It’ available in 20, 25 and 30” calibres options with the following thread forms - o 1⁄2 and 5/8 UNF, 1⁄2 UNEF, 14 X 1, 17 X 1 and 18 X 1mm Other threads by special order. My example was a .30 ca and I fitted it to a 30-06 rifle, which gave it a good work out. As ever with my Mk 1 ear I found is not as quiet as say an Ase Utra Compact, which is my bench mark for muzzle-mounted designs. However, moderation as well within safety and comfort standards and the lack of spike at the ear was pleasingly noticeable. Over a few weeks I put a good few rounds through it and if anything it got a tad quieter, which is par for the course. LD offer a limited lifetime guarantee to the original owner. They have also kindly donated three SRXs as prizes, so check out the competition page this month.
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