SOLGW MK1 Pistol 5.56 NATO A 30rd A 11.5" P3 Barrel A NP3 BCG A Liberty 2-Stage A Badger Ambi Safety A MK1 Billet Rail A SBA5 Brace The SOLGW MK1 is a billet receiver set AR-15 pistol built around the MK1 platform. 11.5" SOLGW medium contour Recce P3 barrel with carbine gas system. 3-groove polygonal rifling for superior ammunition compatibility and extended barrel life. Chrome-lined 41v50 or stainless steel barrel material. 5/8x24 muzzle threads. .750" gas journal. NP3-coated bolt carrier group. Liberty charging handle with small latches. Liberty 2-stage trigger at 4.5 lbs total. Badger ambidextrous safety selector. MK1 maritime bolt release. SOLGW A5 9-position receiver extension with A5H2 buffer and stainless steel action spring. B5 grip. SBA5 brace. One 30-round Gen 3 PMAG included. Individually built and test-fired. Lifetime Warranty and Critical Use Replacement. MK1 billet upper features: 10.75" MK1 rail, continuous Picatinny top rail, dual stainless steel anti-rotation dowels, Broadsword machined tabs and DriveLock rail lockup, integral trigger guard, enlarged magazine well and release fencing, optimized bolt catch fencing, altered forward assist placement for charging handle clearance, rapidly serviceable ejection port door. Titanium extended barrel nut with heat-management coating. 7-sided M-LOK slots with integrated cable routing and laser texturing. Anodized black or grey. 11.5" P3 Medium Contour Barrel 11.5" SOLGW Recce medium contour barrel with 3-groove polygonal rifling. Chrome-lined 41v50 or stainless steel material delivers sub-MOA performance with match ammunition. Carbine gas system. 5/8x24 muzzle threads. .750" gas journal. Conservative port sizing. Titanium extended barrel nut with heat-management coating. SOLGW MK1 Billet Receiver Set Billet upper, lower, and rail receiver set machined to MK1 specifications. Integral trigger guard, enlarged magazine well and release fencing, optimized bolt catch fencing, altered forward assist placement, and rapidly serviceable ejection port door. Dual stainless steel anti-rotation dowels. Broadsword machined tabs with DriveLock rail lockup. MK1 10.75" Rail MK1-specific 10.75" rail with continuous Picatinny top rail, maximum rail slot count, 7-sided M-LOK slots, integrated cable routing, and laser texturing for positive grip surface. NP3-Coated BCG Bolt carrier group coated in NP3 (nickel-PTFE) for superior lubricity, corrosion resistance, and ease of cleaning. The NP3 coating reduces friction throughout the bolt carrier group for reliable cycling. Liberty 2-Stage Trigger SOLGW Liberty 2-stage trigger at 4.5 lbs total pull weight. The two-stage design provides a defined first-stage wall before the break for accurate shooting. Badger Ambidextrous Safety Badger ambi safety selector accommodates left- and right-handed shooters. MK1 maritime bolt release for reliable operation in adverse conditions. A5H2 Buffer System SOLGW A5 9-position receiver extension with A5H2 buffer and stainless steel action spring. The A5 system provides superior recoil management over standard carbine buffer systems. SBA5 Brace SBA5 adjustable brace on A5 9-position receiver extension provides stable support for one-handed and two-handed operation. Individually Built and Test-Fired Each MK1 is individually built and test-fired before shipping. Backed by SOLGW Lifetime Warranty and Critical Use Replacement program. The SOLGW MK1 delivers billet AR-15 pistol performance-P3 barrel with NP3 BCG, Liberty 2-stage trigger, and Badger ambi safety on MK1 billet platform with lifetime warranty. Specifications: Manufacturer: Sons of Liberty Gun Works (SOLGW) Model: MK1 Pistol Caliber: 5.56 NATO Magazine Capacity: 30 rounds Magazine Included: (1) Gen 3 PMAG 30-Round Barrel Length: 11.5 inches Barrel Profile: Medium Contour Recce Barrel Material: Chrome-Lined 41v50 or Stainless Steel Rifling: 3-Groove Polygonal (P3) Gas System: Carbine Gas Journal: .750" Muzzle Thread: 5/8x24 Barrel Nut: Titanium (Heat-Management Coated) Receiver Set: SOLGW MK1 Billet (Upper, Lower, Rail) Rail: SOLGW MK1 10.75" (7-Sided M-LOK, Continuous Picatinny) Anti-Rotation: Dual Stainless Steel Dowels Rail Lockup: Broadsword DriveLock BCG: NP3-Coated Charging Handle: SOLGW Liberty (Small Latches) Trigger: SOLGW Liberty 2-Stage (4.5 lbs Total) Safety: Badger Ambidextrous Bolt Release: MK1 Maritime Buffer: A5H2 Receiver Extension: SOLGW A5 9-Position Action Spring: SOLGW Stainless Steel Grip: B5 Brace: SBA5 Finish: Black or Grey Anodized Build: Individually Built and Test-Fired Warranty: SOLGW Lifetime + Critical Use Replacement