TriggerTech Duty Mil-Spec Single-Stage Trigger - AR-15 - Curved - Black, AH0-SDB-55-NNC

TriggerTech Duty Mil-Spec Single-Stage Trigger - AR-15 - Curved - Black

£219.99
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TriggerTech Duty Mil-Spec Single-Stage Trigger - AR-15 - Curved - Black, AH0-SDB-55-NNC
TriggerTechPart no. AH0-SDB-55-NNC

TriggerTech Duty Mil-Spec Single-Stage Trigger - AR-15 - Curved - Black

£219.99
Key specs
Platform
AR-15/M4
Type
Single-stage Duty trigger
Calibration
Mil-Spec weight
Shoe
Curved
Bundle & saveDiscount applied automatically at checkout

Mix and match across the range: 2 items save 5%, 3 save 10%, 4 or more save 15% on your whole basket.

In stock · ready to order
£5 tracked UK deliveryOrder today — estimated delivery 7–10 business daysOrdered in from the manufacturer for you · Royal Mail Tracked 24 · tracking emailed on dispatchDelivery details
Fitment

Drop-in fit for AR-15/M4 pattern lower receivers with mil-spec trigger pins. Confirm pin size before ordering.

Not sure it fits your rifle? Ask us before you order

  • Genuine manufacturer stockOrdered in from the brand for your order — never grey imports or copies.
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Product details

Everything you need to know.

Description

The TriggerTech Duty Mil-Spec is a single-stage drop-in trigger at Mil-Spec pull weight with a curved shoe, for AR-15 and M4 pattern rifles.

Mil-Spec pull weight without Mil-Spec grit — the Duty Mil-Spec is the standard-weight trigger, done properly.

The TriggerTech Duty Mil-Spec Single-Stage AR (curved) is built for ranges, clubs and shooters whose rules or preferences call for a Mil-Spec-range pull weight. Where a factory trigger meets that number with creep, stacking and grit, Frictionless Release Technology meets it with a clean, rolling press and a break that repeats — the required weight, delivered with quality the requirement never imagined.

The curved shoe suits standard training doctrine, and sealed stainless internals hold the pull's character through thousands of cycles and all weathers.

Why shooters choose the Duty Mil-Spec Curved

  • Mil-Spec-range pull weight — meets standard weight requirements
  • Frictionless quality at weight — clean, not gritty
  • Nothing to adjust — the same press, every time
  • Curved shoe — standard doctrine feel

What the Duty Mil-Spec Curved fits

Drop-in fit for AR-15/M4 pattern lower receivers with standard Mil-Spec trigger pins, which includes UK straight-pull AR-15 builds — if your club or discipline sets a minimum pull weight, this is the model to look at, because it meets a standard weight without the gritty factory feel. Confirm your pin size before ordering. Function-check the rifle before live fire.

Specifications

Platform AR-15 / M4
Fits Mil-Spec AR-15 / M4 lower receivers, standard trigger pins
Type Single-stage duty trigger, Mil-Spec weight, Frictionless Release, curved shoe
Material Sealed stainless internals
Finish Black
Made in North America
Brand TriggerTech
MPN AH0-SDB-55-NNC

The requirement, exceeded. Order the Duty Mil-Spec Curved today — imported from the USA with all duties paid by us and dispatched tracked from the UK in 7–10 business days, with nothing to pay on delivery.

Explore more: all Rifle Triggers, AR-15 Parts & Accessories or browse all TriggerTech.

Specifications
PlatformAR-15 / M4
FitsMil-Spec AR-15 / M4 lower receivers, standard trigger pins
TypeSingle-stage duty trigger, Mil-Spec weight, Frictionless Release, curved shoe
MaterialSealed stainless internals
FinishBlack
Made inNorth America
BrandTriggerTech
MPNAH0-SDB-55-NNC
CategoryTrigger
Shipping weight0.1 kg
Barcode885768003483
Delivery & returns

Delivery

£5 tracked UK delivery on every order via Royal Mail Tracked 24. Our products are ordered in from the manufacturer rather than held in UK stock, so please allow 7 to 10 business days (Monday to Friday, excluding bank holidays) from the date of your order for it to reach you. Tracking details are emailed on dispatch. UK delivery only.

Returns

You have 30 days from receiving your order to cancel it for any reason, then 14 days to send it back unused and in its original packaging. Faulty, damaged or incorrect items are replaced or refunded and we cover reasonable return postage. Refunds go back to your original payment method within 14 days of receiving the return.

FAQ
Will this Mil-Spec Duty trigger fit my lower?

It drops into AR-15/M4 pattern lower receivers that take mil-spec trigger pins, reusing your existing pins. Note that mil-spec here refers to the pull weight calibration as well as the pin fitment, so check your receiver's pin size separately before ordering. Large-pin lowers need a different trigger.

What does the Mil-Spec weight version give me?

This variant is calibrated to a Mil-Spec pull weight rather than the standard Duty setting, so it keeps a service-standard feel while giving you a cleaner break than a stock fire control group. It is the choice if your club, discipline or service-rifle setup expects a heavier trigger. If you need the exact figure for a rulebook, ask us before ordering.

How is it different from the standard Duty single-stage?

Mechanically it is the same single-stage Duty trigger with a curved black shoe; the difference is the weight it is calibrated to. If you are not tied to a service weight, the <a href="/products/triggertech-duty-single-stage-curved-ar-15">standard Duty single-stage with the curved shoe</a> is the same package at the regular calibration. Both are drop-in and use your existing pins.

Is there a flat-shoe version of the Mil-Spec Duty?

This Mil-Spec variant is supplied with the curved shoe in black. The flat-shoe Duty triggers are offered at the standard calibration rather than the Mil-Spec weight, so you may have to choose between shoe shape and weight. Tell us which matters more and we will point you at the closest match.

How will it arrive, and what if it does not suit?

We dispatch from the United Kingdom with £5 tracked UK delivery in 7–10 business days, and tracking follows by email when the order ships. If the trigger is not right for your rifle, see our returns policy or <a href="/pages/contact">contact us</a> and we'll help sort it.

How long does delivery take?

7 to 10 business days from the date of your order. Every order is sent Royal Mail Tracked for a flat £5 and you receive tracking details by email when it is dispatched.

Is this a genuine manufacturer product?

Yes. We list only genuine parts and optics from the brands shown, ordered in from the manufacturer for your order.

Will it fit my rifle, shotgun or pistol?

Compatibility notes on this page come from the manufacturer. If you are unsure, email us with your make and model before ordering and we will check rather than guess.

Do you offer multi-buy discounts?

Yes. Bundle & Save applies automatically in your basket: 5% off when you buy 2 items, 10% off at 3 items and 15% off at 4 or more. It works across the whole range, so you can mix and match, and there is no code to enter.

Can I return it if it is not right?

Yes — you have 30 days from delivery to cancel for any reason, as long as the item is unused and in its original packaging. See our returns policy for the details.

Why Onyx Armaments

Bought once. Bought right.

  • Genuine manufacturer stockOrdered in from the brand for your order — never grey imports or copies.
  • £5 tracked UK deliveryRoyal Mail Tracked 24, 7–10 business days, tracking emailed on dispatch.
  • 30-day returnsChange your mind within 30 days of delivery, unused and boxed.
  • Real answers, fastUnsure about fit? Email support@onyxarmaments.co.uk and we check with the maker.

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