Does the PSA JAKL 300 Blackout Pistol Lower work with the CMMG Resolute(R) MK4 300 Blackout?

PSA JAKL 300 Blackout Complete Pistol Lower Classic EPT, Black

Lower Receiver

PSA JAKL 300 Blackout Pistol Lower Classic EPT

from $349.99

Resolute(R) Mk4 300 Blackout Assembled Upper Receiver W/P&W Brake - Resolute Mk4 300blk Assembl Upper 14.5''''bbl W/P&W Brake Blk

Upper Receiver

CMMG Resolute(R) MK4 300 Blackout Assembled W/P&W Brake

from $432.70

Palmetto State Armory lower and CMMG upper compatibility

Yes, they fit

The PSA JAKL 300 Blackout Pistol Lower Classic EPT works with the CMMG Resolute(R) MK4 300 Blackout Assembled. 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 Palmetto State Armory lower and CMMG upper

Backed by tens of thousands of qualified builds that have both a lower and an upper.

Upper Receivers builders put on the PSA JAKL 300 Blackout Pistol Lower

Share of builds with the PSA JAKL 300 Blackout Pistol Lower and any upper

Lower Receivers builders put under the CMMG Resolute(R) MK4 300 Blackout

Share of builds with the CMMG Resolute(R) MK4 300 Blackout and any lower

  • PSA JAKL 300 Blackout Pistol Lower

    Of lower picks
    0.2%
    Median paid
    $350

  • CMMG Resolute(R) MK4 300 Blackout

    Of upper picks
    0%
    Median paid
    $431
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 Palmetto State Armory lower and CMMG upper

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

Bolt Carrier Group

Trigger

Charging Handle

Optic

Suppressor

Stock & Brace

Light

PSA JAKL 300 Blackout Pistol vs CMMG Resolute(R) MK4 300: specs and prices

PSA JAKL 300 Blackout PistolCMMG Resolute(R) MK4 300
Best price$349.99 at Palmetto State Armory$519.99 at Optics Planet
Stores1 of 1 in stock2 of 3 in stock
AssemblyCompleteComplete
PlatformAR-15AR-15
Caliber300 Blackout300 Blackout
Trigger Pin.154n/a
ColorBlackn/a
Lengthn/a14.5

Both for $869.98 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.

PSA JAKL 300 Blackout Pistol Lower Classic EPT

CMMG Resolute(R) MK4 300 Blackout Assembled

Price history, last 90 days

  • PSA JAKL 300 Blackout Pistol Lower: lowest $332.49 on Jul 12, highest $349.99 on Jul 14 over the last 90 days.
  • CMMG Resolute(R) MK4 300 Blackout: lowest $432.70 on Jul 5, highest $595.38 on Aug 30 over the last 90 days.

Upper Receivers frequently paired with the PSA JAKL 300 Blackout Pistol Lower

Most picked next to it in real builds. Only parts our rules say fit the PSA JAKL 300 Blackout Pistol Lower are listed.

Lower Receivers most paired with CMMG uppers

The CMMG Resolute(R) MK4 300 Blackout is not in enough builds yet, so these are the most picked next to any CMMG upper. Only parts our rules say fit the CMMG Resolute(R) MK4 300 Blackout are listed.