Does the Proof Research 6mm ARC AR-Type work with the WMD Guns 5.56 Without Hammer?

Proof Research 6mm Arc Ar-Type Ar-15 Barrel - Rifle Length - Stainless Steel - .750" - 18"

Barrel

Proof Research 6mm ARC AR-Type

from $574.99

Wmd Guns 5.56 Ar-15 Bolt Carrier Group Without Hammer - NiB-X Finish - Black

Bolt Carrier Group

WMD Guns 5.56 Without Hammer

Proof Research barrel and WMD Guns bolt carrier group compatibility

They fit, with a catch

The Proof Research 6mm ARC AR-Type works with the WMD Guns 5.56 Without Hammer, with one thing to check: Bolt Carrier Group (5.56 NATO) has a 5.56 / .223 bolt; a 6mm ARC build needs a 6.5 Grendel / 6mm ARC bolt.

This exact setup is in a real GunPartPicker build.

Counted from real GunPartPicker builds: parts lists people put together while planning to buy.

Checked by the same rules the AR builder runs on every part you add: caliber, frame size, receiver pattern, thread pitch and gas length.

Fit is judged from the specs retailers list, which can be missing or wrong. Confirm with the manufacturer before you buy, and have a qualified gunsmith check any build before you fire it.

How often builders pair the Proof Research barrel and WMD Guns bolt carrier group

Backed by thousands of qualified builds that have both a barrel and a bolt carrier group.

Bolt Carrier Groups builders put on the Proof Research 6mm ARC AR-Type

Share of builds with the Proof Research 6mm ARC AR-Type and any bolt carrier group

Barrels builders put under the WMD Guns 5.56 Without Hammer

Share of builds with the WMD Guns 5.56 Without Hammer and any barrel

  • Proof Research 6mm ARC AR-Type

    Of barrel picks
    0.5%
    Median paid
    $578

  • WMD Guns 5.56 Without Hammer

    Of bolt carrier group picks
    0.8%
    Median paid
    n/a
How we count ⌄

These shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales or surveys. A build counts a part only when it is the final pick for its slot, so parts that were swapped out never count. Fit never comes from these numbers; it comes from our compatibility rules alone.

Frequently built with the Proof Research barrel and WMD Guns bolt carrier group

The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.

Lower Receiver

Charging Handle

Upper Receiver

Gas Block

Handguard

Trigger

Pistol Grip

Muzzle Device

Buffer Tube Assembly

Proof Research 6mm ARC AR-Type vs WMD Guns 5.56 Without Hammer: specs and prices

Proof Research 6mm ARCWMD Guns 5.56 Without Hammer
Best price$574.99 at Ammunition Depotn/a
Stores5 of 6 in stockn/a
Caliber6mm ARCn/a
Gas SystemRiflen/a
Length18n/a
Twist1:7 5Rn/a
ContourSPRn/a
Thread5/8x24n/a
Cartridgen/a5.56 NATO
Stylen/aM16 Bolt Carrier
Finishn/aNickel Boron
Weight2.14n/a

Today's best prices and 90 day price history

Every store we track for each part, cheapest in stock first. Prices are checked through the day.

Proof Research 6mm ARC AR-Type

WMD Guns 5.56 Without Hammer

No store lists it today.

Price history, last 90 days

  • Proof Research 6mm ARC AR-Type: lowest $493.49 on Aug 10, highest $649.99 on Sep 27 over the last 90 days.

Bolt Carrier Groups frequently paired with the Proof Research 6mm ARC AR-Type

Most picked next to it in real builds. Only parts our rules say fit the Proof Research 6mm ARC AR-Type are listed.

Barrels frequently paired with the WMD Guns 5.56 Without Hammer

Most picked next to it in real builds. Only parts our rules say fit the WMD Guns 5.56 Without Hammer are listed.