We may get paid by partner for deals, including promoted items

Sponsored

OpticsPlanet use Code: GEARCHASE Amazon - Lightning Deals Amazon - Hunting Deals Bike Racks Heated Clothing Stio Hoka Fishing Mountain Hardwear

JK Armament Piston 1/2x28 Black by Jk Armament -

27% off

Product Description

JK Armament Piston 1/2x28 Black. The pistons are available in 1/2x28 threads (nearly all 9mm and some other pistols) and .578x28 threads (.45 ACP and some other larger-than-9mm pistol calibers). Specifications for JK Armament Piston: Manufacturer: JK Armament Fabric/Material: Stainless Steel Package Contents: JK Armament Piston JK Armament JK155PISTON5X28BN: Piston 1/2x28 Black

JK Armament Piston 1/2x28 Black

at Optics Planet

Browse all Optics Planet deals

$99.75 $136.00 27% Discount

You save $36.25

In Stock at Optics Planet

Price verified 1d ago

Buy Now at Optics Planet

Secure checkout Easy returns

or compare prices

Product Details

Brand Jk Armament

MPN JK155PISTON5X28BN

Gun Parts Jk Armament

More from Jk Armament

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament HUB Piston Mount No Piston Black

JK Armament HUB Piston Mount No Piston Black View Details

$128.25 $145.80

12% off

Buy Now · $128.25

Last Updated:

Oct 11, 2026 09:35 AM

JK Armament Widowmaker 195 Accu-Choke End Cap Bundle 12 GA

JK Armament Widowmaker 195 Accu-Choke End Cap Bundle 12 GA View Details

$240.00

Buy Now · $240.00

Shooting Surplus

Last Updated:

Oct 11, 2026 09:35 AM

JK Armament Bald Eagle 195 12 GA Accu-Choke Muzzle Device

JK Armament Bald Eagle 195 12 GA Accu-Choke Muzzle Device View Details

$164.21

Buy Now · $164.21

Shooting Surplus

Last Updated:

Oct 11, 2026 09:35 AM

JK Armament HD Minimalist 45 Cal 11/16-24 Suppressor Mount

JK Armament HD Minimalist 45 Cal 11/16-24 Suppressor Mount View Details

$63.16

Buy Now · $63.16

Shooting Surplus

Last Updated:

Oct 11, 2026 08:36 AM

JK 12G 195 WIDOWMAKER BUNDLE

JK 12G 195 WIDOWMAKER BUNDLE View Details

$270.75 $310.48

13% off

Buy Now · $270.75

Last Updated:

Oct 11, 2026 08:36 AM

JK 20G 195 BE CHK REM CRMD

JK 20G 195 BE CHK REM CRMD View Details

$185.25 $212.43

13% off

Buy Now · $185.25

Last Updated:

Oct 11, 2026 08:36 AM

JK 12G 195 BE CHK BLANK OBMD

JK 12G 195 BE CHK BLANK OBMD View Details

$175.75 $201.54

13% off

Buy Now · $175.75

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament Bald Eagle Black Nitride Stainless Steel 1/2"x28 Threads 1.65" OAL 9mm

JK Armament Bald Eagle Black Nitride Stainless Steel 1/2"x28 Threads 1.65" OAL 9mm View Details

$109.25 $149.99

27% off

Buy Now · $109.25

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament 195 Widowmaker 20 Gauge FDE

JK Armament 195 Widowmaker 20 Gauge FDE View Details

$270.75 $307.80

12% off

Buy Now · $270.75

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament 195 Widowmaker 12 Gauge Black

JK Armament 195 Widowmaker 12 Gauge Black View Details

$270.75

Buy Now · $270.75

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament HUB Piston Mount 1/2x28 Raw

JK Armament HUB Piston Mount 1/2x28 Raw View Details

$223.25 $253.80

12% off

Buy Now · $223.25

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament 195 Widowmaker End Cap 12 Gauge Black

JK Armament 195 Widowmaker End Cap 12 Gauge Black View Details

$194.75 $243.54

20% off

Buy Now · $194.75

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament 195 Widowmaker End Cap 12 Gauge FDE

JK Armament 195 Widowmaker End Cap 12 Gauge FDE View Details

$194.75 $221.40

12% off

Buy Now · $194.75

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament SIG Sauer P365 9mm Luger Threaded Pistol Barrel 1-10 Twist Black

JK Armament SIG Sauer P365 9mm Luger Threaded Pistol Barrel 1-10 Twist Black View Details

$169.99 $216.00

21% off

Buy Now · $169.99

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament Glock 17 Gen 5 9mm Luger Threaded Pistol Barrel Black

JK Armament Glock 17 Gen 5 9mm Luger Threaded Pistol Barrel Black View Details

$165.00 $216.00

24% off

Buy Now · $165.00

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament Pro Quick Attach Taper Mount Black

JK Armament Pro Quick Attach Taper Mount Black View Details

$175.75 $199.80

12% off

Buy Now · $175.75

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament War Eagle Compensator/Flash Hider 9mm Luger 1/2x28 Nitride Black

JK Armament War Eagle Compensator/Flash Hider 9mm Luger 1/2x28 Nitride Black View Details

$147.25 $171.69

14% off

Buy Now · $147.25

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament Pro High Flow End Cap 22 Cal Black

JK Armament Pro High Flow End Cap 22 Cal Black View Details

$128.25 $149.54

14% off

Buy Now · $128.25

Last Updated:

Oct 11, 2026 08:36 AM

JK Armament Piston .578x28 Black

JK Armament Piston .578x28 Black View Details

$99.75 $136.00

27% off

Buy Now · $99.75