Free shipping on all orders over $100
Announcement 2 (easy to turn off/on)

Custom Quantum Dual Taper Lock (DTL) 6MM ARC

*Rifle orders may have a lead time of 4-6 months.

Build your own Quantum DTL rifle!

Platform designed by us; features selected by you. The Quantum DTL series features our patented Dual Taper Lock system. Every major component is manufactured in-house with painstaking attention to detail and the entire rifle is tuned for performance. We want you to be as proud to own it as we are to make it so here is your chance to tailor a Quantum series rifle to suit your style and needs. Choose your trigger shoe, barrel length, furniture, finishes, and more. What you are left with is a complete rifle you’ll want to shoot all day. And that’s money well spent.

Our Blackout Dynamics barrel, with our muzzle device, is capable of shooting 1MOA or better*

Note: Our lower receiver features an ambidextrous bolt release. This is not a bolt catch.

Assault weapon ban (AWB) states: Our rifle builder allows you to configure this rifle so that it is legal in CA and NJ. If you live in NY, your dealer can make it compliant before transfer to you. Our rifle is legal in MD because it features a heavy barrel profile. If you live in IL or WA and are law enforcement or fall under another exemption to your state’s AWB, please contact us. We will not ship to MA. If you live in CT or DC, please contact us before ordering.

NOTICE REGARDING CLEAR ANOCOAT RECEIVER SETS: We will make every effort to match your upper and lower receiver as close as possible, but 100% color match is not guaranteed.

*For safety reasons, we do not recommend using 6mm ARC cartridges that exceed the recommended Max Chamber pressure of 52,000 PSI. Doing will void your firearm’s warranty and can lead to injury and or death.

6MM ARC Semi-automatic Rifle Specific Loads

Part #: DTL-Custom-Rifle-6mm-arc-1-1 Category

$2,395.00

For California residents. Our maglock uses the Battle Arms conversion to lock the magazine and the Kingpin to minimally separate (action disassembly) the upper and lower receivers.
WE MUST PIN YOUR STOCK.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
Your muzzle device must be 2.1" of longer if you select a 14.5" barrel. Your muzzle device may be any length if you select a 16" barrel.
If you send in your own gas block or select our fixed gas block for your barrel, the handguard length will be as follows, unless requested otherwise:
18” barrel: 17” handguard
16” barrel: 15” handguard
14.5” barrel: 13” handguard
13.9” barrel: 13” handguard
12.5” barrel: 11.5” handguard
If you send in your own gas block or select our fixed gas block for your barrel, the handguard length will be as follows, unless requested otherwise:
18” barrel: 17” handguard
**These rifles come standard with full-size charging handle wings with gas deflection direction based on your selector setup. If you want something different send us an email or leave it in your order notes.
mag release, Ambi bolt release, billet bolt catch, pivot pin, rear takedown pin
*THE CURRENT LEAD TIME IS 4-6 MONTHS.
Product total
Options total
Grand total
- +

*Rifle orders may have a lead time of 4-6 months.
Build your own Quantum DTL rifle!

Platform designed by us; features selected by you. The Quantum DTL series features our patented Dual Taper Lock system. Every major component is manufactured in-house with painstaking attention to detail and the entire rifle is tuned for performance. We want you to be as proud to own it as we are to make it so here is your chance to tailor a Quantum series rifle to suit your style and needs. Choose your trigger shoe, barrel length, furniture, finishes, and more. What you are left with is a complete rifle you’ll want to shoot all day. And that’s money well spent.

Our Blackout Dynamics barrel, with our muzzle device, is capable of shooting 1MOA or better*

*Based on a 100-yd test in our facility and 77gr OTM Black Hills Ammunition

Note: Our lower receiver features an ambidextrous bolt release. This is not a bolt catch.

Assault weapon ban (AWB) states: Our rifle builder allows you to configure this rifle so that it is legal in CA and NJ. If you live in NY, your dealer can make it compliant before transfer to you. Our rifle is legal in MD because it features a heavy barrel profile. If you live in IL or WA and are law enforcement or fall under another exemption to your state’s AWB, please contact us. We will not ship to MA. If you live in CT or DC, please contact us before ordering. Pistols are not available for sale to banned/limited states.

NOTICE REGARDING CLEAR ANOCOAT RECEIVER SETS: We will make every effort to match your upper and lower receiver as close as possible, but 100% color match is not guaranteed.

Our .223 Wylde rifle barrels feature a 1:8 twist

Full description

Features

Dual Taper Lock cutaway

Dual Taper Lock system

The Dual Taper Lock system works in conjunction with our proprietary tapered barrel extension and tapered barrel. This provides a “push-pull” relationship ensuring bore centricity of the upper receiver and barrel. The main barrel nut is also compatible with MILSPEC barrels by simply reversing it.

HELIX Gas Regulating Barrel System

Our Helix Gas Regulating Barrel System integrates an adjustable control knob directly onto the barrel, allowing precise gas flow tuning for suppressed or unsuppressed setups. Built for durability, it features a robust detent system, M42 cobalt steel adjustment rod, and high-temp spring, proven through 1,500 rounds of accelerated full-auto testing with zero failures.
Learn More
Heat expansion rings

Expansion ring cuts

Prolonged shooting creates a lot of heat, which can be the enemy of precision. Hot metal expansion becomes irregular. The thermal expansion rings featured on our DTL barrel guide the barrel to expand in the direction of the bore rather than to deflect and shift MOA.

Exceptionally rigid

Thanks to the dual taper mounting system, the proprietary handguard mount delivers extreme rigidity between the upper receiver and handguard. No handguard deflection while keeping the barrel in place when exposed to extreme impacts or trauma.

Precision lapped barrel

Our heavy profile precision lapped barrels start with Premium 416-R stainless steel bars that are gun-drilled and reamed in 5R rifling and 1:8 twist with increased cycle times and frequent tool changes for tighter tolerances across the entire production run. They are then lapped to reduce tooling marks and achieve a superior bore finish. The blanks are then fully stress relieved and precision air gauged before profiling, threading, and chambering begins. Available in Black Nitride or cryogenically treated finishes.
Learn More

Anti-rotation pins

Our uppers and handguards feature precision drilled pinholes for perfect monolithic-like alignment and anti-rotational rigidity.
Zero AR-15 drop in trigger

Zero™ Short Reset Trigger

Zero pre-travel. Zero post-travel. Combined with our short and positive reset design, the Zero trigger is exceptionally smooth, crisp, and fast.
Learn More Or Buy Now
ambidextrous bolt release ar15

Ambidextrous bolt release

The ambidextrous bolt release facilitates faster reloads to get you back on target. Right below it is our enhanced magazine release giving you a crisp and clean mag drop every time.

Ambidextrous mag-release

The ambidextrous magazine release is a must-have with left-handed shooters. Ours ensures your magazine drops free easily, while the enhanced bolt catch/release increases ergonomics.

M-LOK compatible handguard

The DTL handguard features five sides of full-length M-LOK compatible slots, with two more slots at the front for a partial seven-sided M-LOK handguard. Combine that with our full-length picatinny top, and your accessories can be configured exactly the way you want them.

Stryker Gas Deflecting Ambidextrous Charging Handle

The gas deflecting ambidextrous design allows for multiple ways of use, no matter your shooting side or position.
Learn More Or Buy Now
ambidextrous safety selector

45/90º selector

Its modular design lets you easily swap from a standard 90° to 45° throw simply by removing the detent pressure and rotating the drum 180° inside the lower receiver.
Learn More Or Buy Now

Single point sling mount

Billet steel low profile rear QD plate with anti-rotation limits for ambidextrous sling use.
Learn More Or Buy Now
Low profile sling mounts

Low profile sling mounts

The custom-cut handguard allows for the fitting of our low-profile sling mount, located on the front and rear of each side of the handguard.

Blackout Defense Bolt Carrier

Our carrier is manufactured from 8620 steel, while our shot-peened bolt is made from either 9310 or carpenter 158. The bolts are batch high pressure tested and individually magnetic particle inspected after heat-treat to ensure no microcracks.

KeyMo muzzle devices

Our KeyMo compatible muzzle devices are officially licensed by Dead Air, ensuring proper specs and fitment with your KeyMo equipped suppressor.
Learn More Or Buy Now

NOTICE

REGARDING CLEAR ANOCOAT RECEIVER SETS: We will make every effort to match your upper and lower receiver as close as possible, but 100% color match is not guaranteed.
Our lower receiver features an ambidextrous bolt release. This is not a bolt catch.

Continue browsing

Related products

Newsletter sign up

Official data transfers from Blackout Dynamics
*Your information is secure

Blackout Dynamics is at the center of where science and manufacturing meet. Our products are engineered to perfection in the lab, executed to exact tolerances in the factory, and tested for human performance in the field. The final product is no accident.

See what we’re about
Shopping Cart
Scroll to Top