Description
Fitting a 1911 barrel is all about getting the vertical lockup just right, and that comes down to picking the correct link. This Nighthawk Custom kit takes the guesswork out of it by giving you one of every size in a single set, so you have the exact part on hand when you sit down at the bench. Instead of ordering links one at a time and waiting on the mail, you can work through the sizes until the barrel locks up tight and the lugs seat where they should.
What Sets the Nighthawk Custom FM Series Links Apart
These are part of Nighthawk's Fully Machined line, which means every link is CNC cut from a solid billet of 416 stainless steel. There's no casting, no metal injection molding, and no polymer in the mix. That solid-steel construction matters on a small part like this because it resists the link hole stretching or elongating over time, which is where cheaper links start to cause timing problems down the road.
Sizing Out the Barrel Link Kit
The set covers five sizes measured center to center: #1 at .268", #2 at .273", #3 at .278", #4 at .283", and #5 at .288". The .278" link is the industry standard G.I. spec, and having the sizes on either side lets a gunsmith or a serious home builder fine-tune the lockup without compromise. On the 1911, the link both unlocks the barrel from the slide and helps guide the barrel straight as it cycles, so timing is everything and the right link is what makes it work.
This is a fitting part, not a drop-in one. Getting the most out of these links takes proper gunsmith fitting, but for anyone building or tuning a match-grade 1911, having the full range of Nighthawk quality links ready to go is tough to beat. If you take your accuracy seriously, this is the kind of small part that makes a big difference.
Key Specifications
- Manufacturer: Nighthawk Custom
- Manufacturer Part Number: SP0020
- UPC: 080683000689
- Model: FM Series Barrel Link Set
- Platform: 1911
- Material: 416 Stainless Steel
- Construction: Fully Machined from solid billet
- Quantity: 5 links, one of each size
- Link Sizes: .268", .273", .278", .283", .288" (center to center)
- Fitting: Gunsmith fitting required
What’s Included
- 1911 Barrel Link #1, .268"
- 1911 Barrel Link #2, .273"
- 1911 Barrel Link #3, .278"
- 1911 Barrel Link #4, .283"
- 1911 Barrel Link #5, .288"
Frequently Asked Questions
What sizes come in the Nighthawk Custom barrel link kit?
The kit includes five links, one of each size, measured center to center: .268", .273", .278", .283", and .288". The .278" link is the industry standard G.I. spec. Having all five on hand lets you work through the sizes to find the tightest, most accurate lockup for your barrel.
Do these barrel links require fitting?
Yes, these are fitting parts and gunsmith fitting is required to get the most out of them. The whole point of the kit is dialing in the vertical lockup between the barrel and slide, which takes proper hand fitting. If you're not comfortable doing that yourself, a qualified 1911 gunsmith can handle it.
What are these barrel links made of?
Each link is fully machined from solid 416 stainless steel bar stock as part of Nighthawk's Fully Machined series. Nighthawk doesn't use cast, metal injection molded, or polymer parts. The solid steel build helps resist the link hole elongating over time, which keeps your barrel timing consistent.
Will this kit fit any 1911?
It's designed for the 1911 platform and covers the common range of link sizes used across most builds. Because barrel fit varies from gun to gun, having the full set means you'll almost always have the right size to work with. Final fitting still depends on your specific barrel and frame.



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