Stock Adapter: A&K M249 1913 Picatinny – FULCRUM Series
Built to flex your loadout. Not your gear.
This adapter unlocks full Picatinny stock compatibility for your A&K M249 — and yes, it’s Lambda MK48 approved. Designed by Bull Craft and printed in-house using SLS tech and battle-grade Nylon PA12, it weighs just 0.2 lb but delivers heavyweight performance.
Whether you're chasing modularity or just want to ditch the factory bulk, this adapter gives you the freedom to run what you want, how you want — with zero compromise.
✅ Made in the USA
✅ Ultra-Durable Nylon PA12 Construction
✅ Lightweight — just 0.2 lb
✅ Picatinny-Compatible for Maximum Stock Flexibility
✅ Compatible with A&K M249 & Lambda MK48
❌ Not Compatible with G&P or Classic Army Featherweight M249
✅ Superb Support via email, phone, Facebook, Instagram, and in-store
✅ Quick Turnaround & Reliable Shipping
✅ Actual Availability — No ghost listings
Weight: 0.2 lb
Compatibility: A&K M249 & Lambda MK48 (AEG & HPA builds)
Built Light. Ready to Fight.
