Kaiser US Upper Parts

Showing 1–15 of 16 results

10.5″ Gunner 300BLK Pistol-Length 4150 QPQ Nitride

Out of stock / Shipping Available

The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value.

ITAR Product: By adding to cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

*FFL Required Before Shipping. FFL products may take longer to process. Not providing a FFL or info on the FFL dealer of your choice will result in the cancellation of your order and a 25% restocking fee.

Cancellation prior to shipment will result in a 25% restocking fee.

$160.00 $160.00

14.5″ Gunner 5.56 NATO Mid-Length 4150 QPQ

Out of stock / Shipping Available

The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value.

ITAR Product: By adding to cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

Cancellation prior to shipment will result in a 25% restocking fee.

$165.00 $165.00

16″ Gunner 5.56 NATO Mid-Length 4150 QPQ

Out of stock / Shipping Available

The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value.

ITAR Product: By adding to cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

$175.00 $175.00

18″ Heavy Fluted 6.5 GRENDEL Mid-Length 416-R Stainless QPQ Nitride 5R Np3 Extension

Out of stock / Shipping Available

The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value.

ITAR Product: By adding to cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

Cancellation prior to shipment will result in a 25% restocking fee.

$319.00 $319.00

AR-15 BOLT CARRIER GROUP MIL-SPEC BCG (RAINBOW PVD COATED)

Out of stock / Shipping Available

Cancellation prior to shipment will result in a 25% restocking fee.

$161.95 $161.95

AR-15 BOLT CARRIER GROUP MIL-SPEC BCG (TIN COATED)

Out of stock / Shipping Available

Cancellation prior to shipment will result in a 25% restocking fee.

$152.95 $152.95

AR-15 NICKEL BORON BOLT CARRIER GROUP MIL-SPEC BCG

Out of stock / Shipping Available

Cancellation prior to shipment will result in a 25% restocking fee.

$152.95 $152.95

AR-15 NITRIDE BOLT CARRIER GROUP MIL-SPEC BCG

Out of stock / Shipping Available

Cancellation prior to shipment will result in a 25% restocking fee.

$107.95 $107.95

New

ATIBAL SLR-1 SOLAR RED SIGHT W/ 100K HOURS BATTERY LIFE

Out of stock / Shipping Available

$379.99 $379.99

New

ATIBAL STRIIKER RED DOT, 50K HOURS RUN TIME

Out of stock / Shipping Available

$119.99 $119.99

New

Magpul BEV™ Block – AR15/M4

In stock / Shipping Available

The BEV Block (Barrel Extension Vise) is an all-in-one, compact vise block tool for AR15/M4 assembly operations of barrel nuts, flash hiders, etc.

ITAR Product: By adding to cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

$49.95 $49.95

MBUS Sight Set

Out of stock / Shipping Available

: MBUS sight set
: Color injection molded
: Spring-loaded flip up sight
: Impact resistant polymer
: Light weight and resists operational abuse
: Adjustment tool included
: Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guard, but is specifically tailored to the AR15/M16 platform.

ITAR Product: By adding to cart, I understand and agree to the Export Policy. I am a U.S. person and do not intend to export products.

$105.00 $105.00

Ultra Light AR-15 Low Mass/Skeletonized Bolt Carrier Group (BCG) Indestructible KaiserUS

Out of stock / Shipping Available

We’re proud to present the premium Ultra Light AR-15 Low Mass/Skeletonized fully assembled bolt carrier group (BCG) with professionally staked military specified gas key, machined from upgraded 4130 hardened steel, skeletonized for lightness.

Cancellation prior to shipment will result in a 25% restocking fee.

$249.00 $249.00