16 Lb Recoil Spring for 5″ 1911 Models & 4.7″ P320 Models

16 Lb Recoil Spring for 5″ 1911 Models & 4.7″ P320 ModelsGun Engineer Springs are manufactured exclusively with certified aerospace specification alloys such as chrome silicon. Their springs are heat treated, shot-peened, and stress relieved after winding to enhance performance and durability. Chrome silicon springs have 10x the life of traditional music wire springs, and they hold much better tolerances during compression and cycling. This spring features improved materials over the stock components and also maintains the stock trigger weight of 16 lbs. Get an Gun Engineer recoil spring to improve your firearm’s quality and trigger feel today!

• Only fits 1911 Models with a 5″ Barrel and SIG P320 Models with a 4.7″ Barrel
• Maintain the stock trigger weight of your firearm with this 16 lb recoil spring

Manufacturer: Gun Engineer
Type: Recoil Spring
Model: Aftermarket Upgrade

Upc: N/A
NDZ Custom Kit: N/A
For Gun Make: 1911 & Sig Sauer
For Gun Model: 1911: Government 5″ & Clones. Sig Sauer: P320 Full Size 4.7″
Caliber: 9MM & .45 ACP
Does Not Fit: Government, Comander, P320 Compact, P320 Subcompact