Definitive Arms

Definitive Arms operates a fully equipped custom shop in Valparaiso, Indiana with a combined 80 years of team experience. They work on everything from obscure antiques to modern tactical rifles, delivering clean, professional, top-quality work backed by limited warranties on build practices.

They specialize in complete kit builds from the ground up with specialty fixtures, armorer tools, and the knowledge to put together parts kits with expert craftsmanship.

AK Build Services: - Basic AKM and AK74 builds with virgin receivers (Childers, Recreator, NoDak, Morrissey) - Complete refinish in Blue over Mil-Spec Parkerization - Function checked and test fired to confirm zero and reliable operation - Post-test fire inspection, armorer checks, and headspace verification - Limited warranty on build practices (does not include parts)

Specialty Kit Builds: - FAL builds with full armorer tool set and lathe truing for perfect barrel timing - Uzi SMG builds with proper welding jigs and factory-new condition results - HK clone kits with dedicated tools and fixtures for precision assembly - Milled receiver re-welds for demilled Bren, DPM, and oddball kits - Custom builds outside standard offerings

Threading Services: - Right-hand and left-hand thread options - Guaranteed proper class fit machined concentrically to bore - Shoulder truing and block face truing for proper suppressor mounting

Crowning & Cut Services: - Single-point tooling via lathe between centers or custom mandrel - Guaranteed clean, concentric to bore, improves accuracy

Pin & Weld Services: - Gauge rod measurements from chamber face on every job - Blind pinning and welding with alloy steel pins - ATF compliance guaranteed—they measure to ensure legality - Clean, legal work meeting NFA requirements

Miscellaneous Turning: - Fitment issues, damaged surfaces, shoulder squaring for suppressor alignment

Definitive Arms' patented magwell conversion system is one of their most sought-after services. Converts AK-type firearms to use STANAG pattern AR-15 and AR-10 magazines with Last Round Bolt Hold Open (LRBHO) capability.

Conversion Packages Available:

Pricing varies based on condition, model, and prior work performed. Current offerings focus on Saiga .223/5.56 conversions.

Metal Finishes: - Mil-Spec Parkerization (full submersion coverage) - Hot Salt Bluing (traditional deep black/blue finish) - Blue over Park (popular choice for durable matte finish) - Gun coatings via Cerakote, KG gun kote, or Norrell's Moly Resin - Definitive Arms BLACK ARMOR (signature hard coat finish)

Wood Refinishing: - Restoration, custom staining, stripping, oil/sealer reapplication

• •Diagnostics: From old muskets to M2 .50 cal machine guns
• •Custom fitting: Hand fitting and one-to-one timing work
• •Inspection & evaluation: Detailed disassembly, armorer checks, wear assessment
• •Full restoration: High-value firearms and family heirlooms
• •Parts salvaging: Recover components from catastrophic failures

Beyond firearms, Definitive Arms performs contract R&D, one-off machining, custom prototypes, milling, turning, welding, and woodworking. Their components are currently in production and sold through major industry names.

Definitive Arms LLC 2600 Beech Street Valparaiso, IN 46383 Phone: 1-844-322-8458 (1-844-DA-BUILT) Email: [email protected] Hours: 10AM-4PM CST, Tuesday-Friday

No walk-in quotes provided. Submit service requests through their website for detailed estimates.