Kaiser US upper parts. Upper Receivers, BCG, Rails, Barrels, Muzzles, EPC. More than 60,000 Rounds Tested - Zero Failures

Upper Parts

Showing all 13 results

16″ Gunner 5.56 NATO Mid-Length 4150 QPQ

In stock / Shipping Available

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

$175.00 $175.00
New
ATIBAL SLR-1 SOLAR RED SIGHT W/ 100K HOURS BATTERY LIFE

In stock / Shipping Available

$379.99 $379.99
New
ATIBAL STRIIKER RED DOT, 50K HOURS RUN TIME

In stock / Shipping Available

$119.99 $119.99
COMPLETE X-7 UPPER RECEIVER

Shipping Available

$125.00$150.00
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.

$49.95 $49.95
MBUS Sight Set

In 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.

$105.00 $105.00
Ultra Light AR-15 Low Mass/Skeletonized Bolt Carrier Group (BCG) Indestructible KaiserUS

16 in 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.

$199.99 $199.99
Ultra Light Titanium AR-15 Bolt Carrier Group (BCG) Indestructible Black Nitrate KaiserUS TI-7
New
Ultra Light Titanium AR-15 Bolt Carrier Group (BCG) Indestructible Black Nitrate KaiserUS TI-7

Out of stock / Shipping Available

Our custom titanium BLACK KNIGHT BCG with proprietary BLACK NITRATE coating lives up to that high standard of quality and performance.

$449.00 $449.00
X-7 BlackBird Eject Port Cover (EPC)

29 in stock / Shipping Available

X-7 BlackBird Eject Port Cover (EPC)

$42.00 $42.00
X-7 EPC Lightweight Durable Polymer

In stock / Shipping Available

X-7 Ejection Port Cover (EPC) Lightweight Durable Polymer

$14.50 $14.50