Does the Rosco Manufacturing K9 5.56 NATO Sage work with the KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT?

Rosco Manufacturing K9 5.56 Nato Sage Dynamics Patrol Length Ar-15 Barrel - 12.5"

Barrel

Rosco Manufacturing K9 5.56 NATO Sage Dynamics Patrol Length

from $144.00

KAK AR15 BCG M16 556 K-SPEC NP3 DE DOWNVENT BOLT C...

Bolt Carrier Group

KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT C...

from $247.49

Rosco Manufacturing barrel and KAK Industry bolt carrier group compatibility

Yes, they fit

The Rosco Manufacturing K9 5.56 NATO Sage Dynamics works with the KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT C.... Our compatibility rules found no conflict between them.

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 Rosco Manufacturing barrel and KAK Industry 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 Rosco Manufacturing K9 5.56 NATO Sage

Share of builds with the Rosco Manufacturing K9 5.56 NATO Sage and any bolt carrier group

Barrels builders put under the KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT

Share of builds with the KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT and any barrel

  • Rosco Manufacturing K9 5.56 NATO Sage

    Of barrel picks
    0.2%
    Median paid
    $152

  • KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT

    Of bolt carrier group picks
    0.1%
    Median paid
    $247
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 Rosco Manufacturing barrel and KAK Industry bolt carrier group

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

Muzzle Device

Trigger

Charging Handle

Pistol Grip

Upper Receiver

Handguard

Stock & Brace

Lower Receiver

Optic

Gas Block

Buffer Tube Assembly

Rosco Manufacturing K9 5.56 vs KAK BCG 556 K-SPEC NP3 DE: specs and prices

Rosco Manufacturing K9 5.56KAK BCG 556 K-SPEC NP3 DE
Best price$171.00 at AT3 Tactical$247.49 at BattleHawk Armory
Stores2 of 8 in stock0 of 1 in stock
Caliber5.56 NATOn/a
Gas SystemCarbinen/a
Length11.5n/a
Twist1:7n/a
ContourEnhanced Tapern/a
Thread1/2x28n/a
Cartridgen/a5.56 NATO
Stylen/aForged
Finishn/aNickel Boron
Weight27.05n/a

Both for $418.49 at today's best prices.

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.

Rosco Manufacturing K9 5.56 NATO Sage Dynamics

KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT C...

  • BattleHawk Armoryout of stock$247.49

Price history, last 90 days

  • Rosco Manufacturing K9 5.56 NATO Sage: lowest $149.49 on Aug 31, highest $184.99 on Aug 9 over the last 90 days.
  • KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT: lowest $247.49 on Jul 10, highest $247.49 on Jul 10 over the last 90 days.

Bolt Carrier Groups frequently paired with the Rosco Manufacturing K9 5.56 NATO Sage

Most picked next to it in real builds. Only parts our rules say fit the Rosco Manufacturing K9 5.56 NATO Sage are listed.

Barrels frequently paired with the KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT

Most picked next to it in real builds. Only parts our rules say fit the KAK BCG 556 K-SPEC NP3 DE DOWNVENT BOLT are listed.