Build Kits
AR-45 .45 ACP 8.5" Slick Side Premium Quadrail Pistol Kit – Non-LRBHO – Choose Color
Moriarti Arms is proud to present the AR-45 .45 ACP 8.5" Slick Side Premium Pistol Kit with Color Options, built on a slick side billet upper receiver. This high-quality kit includes everything you need to complete your AR-45 build, except the lower receiver, which can be purchased separately. This kit is compatible with AR-45 lowers, making it a versatile addition to your firearm collection.
Kit Includes:
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8.5" .45 ACP Match Grade Barrel:
- Material: 4150 Chrome Moly Vanadium (CMV) Steel
- Finish: Black Nitride
- Chamber: .45 ACP
- Twist Rate: 1:16
- Muzzle Threads: 5/8x24
- Muzzle Device: A2 Flash Hider for optimal recoil management and flash reduction
- Gas System: Blowback designed for optimal operation with .45 ACP rounds
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Slick Side Upper Receiver, non-LRBHO:
- Material: Certified 7075-T6 Aircraft-Grade Billet Aluminum
- Finish: Black Hardcoat Anodized to MIL-8625 Type 3 Class 2 specifications
- Gas System: Designed for Blowback operation, ensuring smooth and reliable cycling with .45 ACP rounds
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7" Free-Floating Quadrail Handguard:
- Material: Aircraft-Quality Aluminum
- Finish: Black Hardcoat Anodized
- Length: 7" for a compact, tactical profile
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AR-45 .45 ACP Ramped Bolt Carrier Group (BCG):
- Material: US-made 8620 steel with mag phosphate finish
- Precision Milled for use with AR-45 and Glock-style lower receivers
- M-16 Cut for compatibility with full-auto models (compliant with BATFE regulations)
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Mil-Spec AR-15 Charging Handle:
- Standard AR-15 charging handle for smooth and reliable cycling
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Lower Parts Kit (LPK):
- Complete Standard Mil-Spec AR-15 Lower Parts Kit
- Includes everything to finish your lower receiver, excluding the grip and trigger assembly
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Pistol Tube Assembly:
- Includes Foam, AR-45 Heavy Buffer (7.5oz) for maximum recoil performance
- Carbine Spring for smooth cycling and reliable operation
Color Options:
Customize your build with one of the following Cerakote finishes: Select the color that matches your style and preference!
Key Features:
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Customizable Build: The AR-45 .45 ACP pistol kit provides a premium starting point for building your own custom AR-45 rifle with Glock-compatible lowers AR-45 lowers.
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Match Grade Barrel: The 8.5" barrel delivers precision and reliability, with the A2 Flash Hider offering excellent recoil management and flash suppression.
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Blowback Gas System: Optimized for .45 ACP rounds, ensuring smooth cycling and maximum reliability.
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Premium Materials: Crafted from 7075-T6 aluminum and 4150 chromoly steel, these components are built for long-lasting durability and performance. The black nitride finish adds an extra layer of corrosion resistance.
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Sleek, Tactical Design
Please Note:
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Unassembled Kit: This kit ships unassembled, so you'll need to complete the build yourself.
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Lower Receiver Not Included: The kit does not include a lower receiver, but it is compatible with AR-45 lowers or Glock-style lowers (available separately).
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Best results when used with Glock factory magazines.
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Images may not be the exact representation of the product.